Home / 2,132,189.20-3,197,117.40-868,589.20

Finding the Fourth Proportional to 2,132,189.20, 3,197,117.40 and 868,589.20

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Solution

The fourth proportional to 2,132,189.20, 3,197,117.40 and 868,589.20 is: 1,302,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,189.20 : 3,197,117.40 = 868,589.20 : x
  2. Step 2: Convert to fraction form
    2,132,189.20/3,197,117.40 = 868,589.20/x
  3. Step 3: Cross multiply
    2,132,189.20x = 3,197,117.40 × 868,589.20
  4. Step 4: Simplify right side
    2,132,189.20x = 2,776,981,644,772.08
  5. Step 5: Solve for x
    x = 2,776,981,644,772.08/2,132,189.20
  6. Step 6: Final answer
    x = 1,302,408.64

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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.