Home / 2,015,591.20-2,781,410.88-1,251,628.48

Finding the Fourth Proportional to 2,015,591.20, 2,781,410.88 and 1,251,628.48

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Solution

The fourth proportional to 2,015,591.20, 2,781,410.88 and 1,251,628.48 is: 1,727,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,591.20 : 2,781,410.88 = 1,251,628.48 : x
  2. Step 2: Convert to fraction form
    2,015,591.20/2,781,410.88 = 1,251,628.48/x
  3. Step 3: Cross multiply
    2,015,591.20x = 2,781,410.88 × 1,251,628.48
  4. Step 4: Simplify right side
    2,015,591.20x = 3,481,293,071,989.86
  5. Step 5: Solve for x
    x = 3,481,293,071,989.86/2,015,591.20
  6. Step 6: Final answer
    x = 1,727,182.12

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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.