Finding the Fourth Proportional to 3,551,452.60, 5,327,369.07 and 1,122,421.07
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Solution
The fourth proportional to 3,551,452.60, 5,327,369.07 and 1,122,421.07 is: 1,683,691.71
Step by Step Solution
- Step 1: Write the proportion equation
3,551,452.60 : 5,327,369.07 = 1,122,421.07 : x - Step 2: Convert to fraction form
3,551,452.60/5,327,369.07 = 1,122,421.07/x - Step 3: Cross multiply
3,551,452.60x = 5,327,369.07 × 1,122,421.07 - Step 4: Simplify right side
3,551,452.60x = 5,979,551,291,834.31 - Step 5: Solve for x
x = 5,979,551,291,834.31/3,551,452.60 - Step 6: Final answer
x = 1,683,691.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.