Home / 2,122,444.80-2,929,288.02-1,251,439.20

Finding the Fourth Proportional to 2,122,444.80, 2,929,288.02 and 1,251,439.20

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Solution

The fourth proportional to 2,122,444.80, 2,929,288.02 and 1,251,439.20 is: 1,727,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,444.80 : 2,929,288.02 = 1,251,439.20 : x
  2. Step 2: Convert to fraction form
    2,122,444.80/2,929,288.02 = 1,251,439.20/x
  3. Step 3: Cross multiply
    2,122,444.80x = 2,929,288.02 × 1,251,439.20
  4. Step 4: Simplify right side
    2,122,444.80x = 3,665,825,856,318.38
  5. Step 5: Solve for x
    x = 3,665,825,856,318.38/2,122,444.80
  6. Step 6: Final answer
    x = 1,727,171.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.