Finding the Fourth Proportional to 5,174,687.60, 7,753,450.32 and 3,146,797.28
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Solution
The fourth proportional to 5,174,687.60, 7,753,450.32 and 3,146,797.28 is: 4,714,977.65
Step by Step Solution
- Step 1: Write the proportion equation
5,174,687.60 : 7,753,450.32 = 3,146,797.28 : x - Step 2: Convert to fraction form
5,174,687.60/7,753,450.32 = 3,146,797.28/x - Step 3: Cross multiply
5,174,687.60x = 7,753,450.32 × 3,146,797.28 - Step 4: Simplify right side
5,174,687.60x = 24,398,536,377,591.13 - Step 5: Solve for x
x = 24,398,536,377,591.13/5,174,687.60 - Step 6: Final answer
x = 4,714,977.65
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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.