Finding the Fourth Proportional to 5,715,459.90, 7,887,306.96 and 3,137,184.54
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Solution
The fourth proportional to 5,715,459.90, 7,887,306.96 and 3,137,184.54 is: 4,329,299.46
Step by Step Solution
- Step 1: Write the proportion equation
5,715,459.90 : 7,887,306.96 = 3,137,184.54 : x - Step 2: Convert to fraction form
5,715,459.90/7,887,306.96 = 3,137,184.54/x - Step 3: Cross multiply
5,715,459.90x = 7,887,306.96 × 3,137,184.54 - Step 4: Simplify right side
5,715,459.90x = 24,743,937,457,146.40 - Step 5: Solve for x
x = 24,743,937,457,146.40/5,715,459.90 - Step 6: Final answer
x = 4,329,299.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.