Home / 2,278,979.60-3,144,966.35-1,246,517.03

Finding the Fourth Proportional to 2,278,979.60, 3,144,966.35 and 1,246,517.03

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Solution

The fourth proportional to 2,278,979.60, 3,144,966.35 and 1,246,517.03 is: 1,720,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,979.60 : 3,144,966.35 = 1,246,517.03 : x
  2. Step 2: Convert to fraction form
    2,278,979.60/3,144,966.35 = 1,246,517.03/x
  3. Step 3: Cross multiply
    2,278,979.60x = 3,144,966.35 × 1,246,517.03
  4. Step 4: Simplify right side
    2,278,979.60x = 3,920,254,115,681.77
  5. Step 5: Solve for x
    x = 3,920,254,115,681.77/2,278,979.60
  6. Step 6: Final answer
    x = 1,720,179.56

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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.