Finding the Fourth Proportional to 3,876,540.16, 5,816,001.12 and 1,984,609.60
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Solution
The fourth proportional to 3,876,540.16, 5,816,001.12 and 1,984,609.60 is: 2,977,524.08
Step by Step Solution
- Step 1: Write the proportion equation
3,876,540.16 : 5,816,001.12 = 1,984,609.60 : x - Step 2: Convert to fraction form
3,876,540.16/5,816,001.12 = 1,984,609.60/x - Step 3: Cross multiply
3,876,540.16x = 5,816,001.12 × 1,984,609.60 - Step 4: Simplify right side
3,876,540.16x = 11,542,491,656,362.75 - Step 5: Solve for x
x = 11,542,491,656,362.75/3,876,540.16 - Step 6: Final answer
x = 2,977,524.08
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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.