Home / 3,987,581.60-5,982,247.20-1,966,793.60

Finding the Fourth Proportional to 3,987,581.60, 5,982,247.20 and 1,966,793.60

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Solution

The fourth proportional to 3,987,581.60, 5,982,247.20 and 1,966,793.60 is: 2,950,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,581.60 : 5,982,247.20 = 1,966,793.60 : x
  2. Step 2: Convert to fraction form
    3,987,581.60/5,982,247.20 = 1,966,793.60/x
  3. Step 3: Cross multiply
    3,987,581.60x = 5,982,247.20 × 1,966,793.60
  4. Step 4: Simplify right side
    3,987,581.60x = 11,765,845,506,577.92
  5. Step 5: Solve for x
    x = 11,765,845,506,577.92/3,987,581.60
  6. Step 6: Final answer
    x = 2,950,621.88

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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.