Finding the Fourth Proportional to 2,352,711.52, 3,246,175.92 and 1,385,765.92
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Solution
The fourth proportional to 2,352,711.52, 3,246,175.92 and 1,385,765.92 is: 1,912,023.60
Step by Step Solution
- Step 1: Write the proportion equation
2,352,711.52 : 3,246,175.92 = 1,385,765.92 : x - Step 2: Convert to fraction form
2,352,711.52/3,246,175.92 = 1,385,765.92/x - Step 3: Cross multiply
2,352,711.52x = 3,246,175.92 × 1,385,765.92 - Step 4: Simplify right side
2,352,711.52x = 4,498,439,960,260.65 - Step 5: Solve for x
x = 4,498,439,960,260.65/2,352,711.52 - Step 6: Final answer
x = 1,912,023.60
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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.