Question

Check whether the number 2 4 8 are in continued proportion or not

Answer 1

the number 2 4 8 are in continued proportion

2 , 4 & 8

second number / first number = ratio

4/2 = 2

third number / second number = ratio

8/4 = 2

as ratio is coming same so numbers are in proportion

first number = a = 2

Ratio = r = 2

Gp will be

a , ar , ar^2 , ar^3 ,.......ar^(n-1)

2 , 4 , 8 , 16,.......2×(2)^n-1