Home / 2,439,512.52-3,659,480.19-642,381.72

Finding the Fourth Proportional to 2,439,512.52, 3,659,480.19 and 642,381.72

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Solution

The fourth proportional to 2,439,512.52, 3,659,480.19 and 642,381.72 is: 963,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,512.52 : 3,659,480.19 = 642,381.72 : x
  2. Step 2: Convert to fraction form
    2,439,512.52/3,659,480.19 = 642,381.72/x
  3. Step 3: Cross multiply
    2,439,512.52x = 3,659,480.19 × 642,381.72
  4. Step 4: Simplify right side
    2,439,512.52x = 2,350,783,178,758.13
  5. Step 5: Solve for x
    x = 2,350,783,178,758.13/2,439,512.52
  6. Step 6: Final answer
    x = 963,628.25

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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.