Home / 1,987,162.20-2,981,132.10-849,922.20

Finding the Fourth Proportional to 1,987,162.20, 2,981,132.10 and 849,922.20

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Solution

The fourth proportional to 1,987,162.20, 2,981,132.10 and 849,922.20 is: 1,275,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,162.20 : 2,981,132.10 = 849,922.20 : x
  2. Step 2: Convert to fraction form
    1,987,162.20/2,981,132.10 = 849,922.20/x
  3. Step 3: Cross multiply
    1,987,162.20x = 2,981,132.10 × 849,922.20
  4. Step 4: Simplify right side
    1,987,162.20x = 2,533,730,352,922.62
  5. Step 5: Solve for x
    x = 2,533,730,352,922.62/1,987,162.20
  6. Step 6: Final answer
    x = 1,275,049.59

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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.