Finding the Fourth Proportional to 2,107,764.18, 3,162,149.28 and 687,822.84
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Solution
The fourth proportional to 2,107,764.18, 3,162,149.28 and 687,822.84 is: 1,031,898.41
Step by Step Solution
- Step 1: Write the proportion equation
2,107,764.18 : 3,162,149.28 = 687,822.84 : x - Step 2: Convert to fraction form
2,107,764.18/3,162,149.28 = 687,822.84/x - Step 3: Cross multiply
2,107,764.18x = 3,162,149.28 × 687,822.84 - Step 4: Simplify right side
2,107,764.18x = 2,174,998,498,273.56 - Step 5: Solve for x
x = 2,174,998,498,273.56/2,107,764.18 - Step 6: Final answer
x = 1,031,898.41
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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.