Home / 2,872,966.20-4,309,449.30-878,422.20

Finding the Fourth Proportional to 2,872,966.20, 4,309,449.30 and 878,422.20

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Solution

The fourth proportional to 2,872,966.20, 4,309,449.30 and 878,422.20 is: 1,317,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,966.20 : 4,309,449.30 = 878,422.20 : x
  2. Step 2: Convert to fraction form
    2,872,966.20/4,309,449.30 = 878,422.20/x
  3. Step 3: Cross multiply
    2,872,966.20x = 4,309,449.30 × 878,422.20
  4. Step 4: Simplify right side
    2,872,966.20x = 3,785,515,934,894.46
  5. Step 5: Solve for x
    x = 3,785,515,934,894.46/2,872,966.20
  6. Step 6: Final answer
    x = 1,317,633.30

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Similar ratio
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1.5x scale

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.