Home / 2,281,515.40-3,422,273.10-861,617.80

Finding the Fourth Proportional to 2,281,515.40, 3,422,273.10 and 861,617.80

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Solution

The fourth proportional to 2,281,515.40, 3,422,273.10 and 861,617.80 is: 1,292,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,515.40 : 3,422,273.10 = 861,617.80 : x
  2. Step 2: Convert to fraction form
    2,281,515.40/3,422,273.10 = 861,617.80/x
  3. Step 3: Cross multiply
    2,281,515.40x = 3,422,273.10 × 861,617.80
  4. Step 4: Simplify right side
    2,281,515.40x = 2,948,691,419,421.18
  5. Step 5: Solve for x
    x = 2,948,691,419,421.18/2,281,515.40
  6. Step 6: Final answer
    x = 1,292,426.70

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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.