Finding the Fourth Proportional to 5,754,052.76, 7,940,553.74 and 3,175,733.52
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Solution
The fourth proportional to 5,754,052.76, 7,940,553.74 and 3,175,733.52 is: 4,382,490.70
Step by Step Solution
- Step 1: Write the proportion equation
5,754,052.76 : 7,940,553.74 = 3,175,733.52 : x - Step 2: Convert to fraction form
5,754,052.76/7,940,553.74 = 3,175,733.52/x - Step 3: Cross multiply
5,754,052.76x = 7,940,553.74 × 3,175,733.52 - Step 4: Simplify right side
5,754,052.76x = 25,217,082,705,286.77 - Step 5: Solve for x
x = 25,217,082,705,286.77/5,754,052.76 - Step 6: Final answer
x = 4,382,490.70
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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.