Finding the Fourth Proportional to 1,613,114.75, 2,419,672.17 and 491,183.75
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Solution
The fourth proportional to 1,613,114.75, 2,419,672.17 and 491,183.75 is: 736,775.64
Step by Step Solution
- Step 1: Write the proportion equation
1,613,114.75 : 2,419,672.17 = 491,183.75 : x - Step 2: Convert to fraction form
1,613,114.75/2,419,672.17 = 491,183.75/x - Step 3: Cross multiply
1,613,114.75x = 2,419,672.17 × 491,183.75 - Step 4: Simplify right side
1,613,114.75x = 1,188,503,650,231.24 - Step 5: Solve for x
x = 1,188,503,650,231.24/1,613,114.75 - Step 6: Final answer
x = 736,775.64
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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.