Finding the Fourth Proportional to 4,755,754.13, 7,132,132.69 and 1,560,135.65
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Solution
The fourth proportional to 4,755,754.13, 7,132,132.69 and 1,560,135.65 is: 2,339,711.89
Step by Step Solution
- Step 1: Write the proportion equation
4,755,754.13 : 7,132,132.69 = 1,560,135.65 : x - Step 2: Convert to fraction form
4,755,754.13/7,132,132.69 = 1,560,135.65/x - Step 3: Cross multiply
4,755,754.13x = 7,132,132.69 × 1,560,135.65 - Step 4: Simplify right side
4,755,754.13x = 11,127,094,470,199.40 - Step 5: Solve for x
x = 11,127,094,470,199.40/4,755,754.13 - Step 6: Final answer
x = 2,339,711.89
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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.