Finding the Fourth Proportional to 5,324,750.10, 7,987,125.15 and 4,379,966.10
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Solution
The fourth proportional to 5,324,750.10, 7,987,125.15 and 4,379,966.10 is: 6,569,949.15
Step by Step Solution
- Step 1: Write the proportion equation
5,324,750.10 : 7,987,125.15 = 4,379,966.10 : x - Step 2: Convert to fraction form
5,324,750.10/7,987,125.15 = 4,379,966.10/x - Step 3: Cross multiply
5,324,750.10x = 7,987,125.15 × 4,379,966.10 - Step 4: Simplify right side
5,324,750.10x = 34,983,337,393,457.41 - Step 5: Solve for x
x = 34,983,337,393,457.41/5,324,750.10 - Step 6: Final answer
x = 6,569,949.15
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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.