Home / 2,128,229.60-3,189,752.40-927,615.20

Finding the Fourth Proportional to 2,128,229.60, 3,189,752.40 and 927,615.20

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Solution

The fourth proportional to 2,128,229.60, 3,189,752.40 and 927,615.20 is: 1,390,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,229.60 : 3,189,752.40 = 927,615.20 : x
  2. Step 2: Convert to fraction form
    2,128,229.60/3,189,752.40 = 927,615.20/x
  3. Step 3: Cross multiply
    2,128,229.60x = 3,189,752.40 × 927,615.20
  4. Step 4: Simplify right side
    2,128,229.60x = 2,958,862,810,476.48
  5. Step 5: Solve for x
    x = 2,958,862,810,476.48/2,128,229.60
  6. Step 6: Final answer
    x = 1,390,293.04

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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.