Finding the Fourth Proportional to 5,381,385.50, 8,072,107.97 and 1,337,873.32
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Solution
The fourth proportional to 5,381,385.50, 8,072,107.97 and 1,337,873.32 is: 2,006,817.36
Step by Step Solution
- Step 1: Write the proportion equation
5,381,385.50 : 8,072,107.97 = 1,337,873.32 : x - Step 2: Convert to fraction form
5,381,385.50/8,072,107.97 = 1,337,873.32/x - Step 3: Cross multiply
5,381,385.50x = 8,072,107.97 × 1,337,873.32 - Step 4: Simplify right side
5,381,385.50x = 10,799,457,857,251.57 - Step 5: Solve for x
x = 10,799,457,857,251.57/5,381,385.50 - Step 6: Final answer
x = 2,006,817.36
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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.