Finding the Fourth Proportional to 5,013,301.87, 7,520,244.41 and 1,418,768.11
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Solution
The fourth proportional to 5,013,301.87, 7,520,244.41 and 1,418,768.11 is: 2,128,234.69
Step by Step Solution
- Step 1: Write the proportion equation
5,013,301.87 : 7,520,244.41 = 1,418,768.11 : x - Step 2: Convert to fraction form
5,013,301.87/7,520,244.41 = 1,418,768.11/x - Step 3: Cross multiply
5,013,301.87x = 7,520,244.41 × 1,418,768.11 - Step 4: Simplify right side
5,013,301.87x = 10,669,482,948,313.77 - Step 5: Solve for x
x = 10,669,482,948,313.77/5,013,301.87 - Step 6: Final answer
x = 2,128,234.69
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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.