Home / 2,171,248.12-2,996,264.46-1,253,446.18

Finding the Fourth Proportional to 2,171,248.12, 2,996,264.46 and 1,253,446.18

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Solution

The fourth proportional to 2,171,248.12, 2,996,264.46 and 1,253,446.18 is: 1,729,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,248.12 : 2,996,264.46 = 1,253,446.18 : x
  2. Step 2: Convert to fraction form
    2,171,248.12/2,996,264.46 = 1,253,446.18/x
  3. Step 3: Cross multiply
    2,171,248.12x = 2,996,264.46 × 1,253,446.18
  4. Step 4: Simplify right side
    2,171,248.12x = 3,755,656,241,656.76
  5. Step 5: Solve for x
    x = 3,755,656,241,656.76/2,171,248.12
  6. Step 6: Final answer
    x = 1,729,722.28

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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.