Finding the Fourth Proportional to 1,613,860.08, 2,418,524.44 and 1,275,412.88
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Solution
The fourth proportional to 1,613,860.08, 2,418,524.44 and 1,275,412.88 is: 1,911,328.78
Step by Step Solution
- Step 1: Write the proportion equation
1,613,860.08 : 2,418,524.44 = 1,275,412.88 : x - Step 2: Convert to fraction form
1,613,860.08/2,418,524.44 = 1,275,412.88/x - Step 3: Cross multiply
1,613,860.08x = 2,418,524.44 × 1,275,412.88 - Step 4: Simplify right side
1,613,860.08x = 3,084,617,221,370.79 - Step 5: Solve for x
x = 3,084,617,221,370.79/1,613,860.08 - Step 6: Final answer
x = 1,911,328.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.