Home / 3,986,230.80-5,979,346.20-3,765,781.20

Finding the Fourth Proportional to 3,986,230.80, 5,979,346.20 and 3,765,781.20

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Solution

The fourth proportional to 3,986,230.80, 5,979,346.20 and 3,765,781.20 is: 5,648,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,230.80 : 5,979,346.20 = 3,765,781.20 : x
  2. Step 2: Convert to fraction form
    3,986,230.80/5,979,346.20 = 3,765,781.20/x
  3. Step 3: Cross multiply
    3,986,230.80x = 5,979,346.20 × 3,765,781.20
  4. Step 4: Simplify right side
    3,986,230.80x = 22,516,909,508,251.44
  5. Step 5: Solve for x
    x = 22,516,909,508,251.44/3,986,230.80
  6. Step 6: Final answer
    x = 5,648,671.80

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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.