Home / 2,281,512.40-3,422,268.60-861,614.80

Finding the Fourth Proportional to 2,281,512.40, 3,422,268.60 and 861,614.80

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Solution

The fourth proportional to 2,281,512.40, 3,422,268.60 and 861,614.80 is: 1,292,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,512.40 : 3,422,268.60 = 861,614.80 : x
  2. Step 2: Convert to fraction form
    2,281,512.40/3,422,268.60 = 861,614.80/x
  3. Step 3: Cross multiply
    2,281,512.40x = 3,422,268.60 × 861,614.80
  4. Step 4: Simplify right side
    2,281,512.40x = 2,948,677,275,335.28
  5. Step 5: Solve for x
    x = 2,948,677,275,335.28/2,281,512.40
  6. Step 6: Final answer
    x = 1,292,422.20

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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.