Home / 2,011,947.38-3,017,921.84-495,659.78

Finding the Fourth Proportional to 2,011,947.38, 3,017,921.84 and 495,659.78

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Solution

The fourth proportional to 2,011,947.38, 3,017,921.84 and 495,659.78 is: 743,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,947.38 : 3,017,921.84 = 495,659.78 : x
  2. Step 2: Convert to fraction form
    2,011,947.38/3,017,921.84 = 495,659.78/x
  3. Step 3: Cross multiply
    2,011,947.38x = 3,017,921.84 × 495,659.78
  4. Step 4: Simplify right side
    2,011,947.38x = 1,495,862,482,155.61
  5. Step 5: Solve for x
    x = 1,495,862,482,155.61/2,011,947.38
  6. Step 6: Final answer
    x = 743,489.86

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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.