Home / 2,981,963.28-4,115,000.68-1,623,806.48

Finding the Fourth Proportional to 2,981,963.28, 4,115,000.68 and 1,623,806.48

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Solution

The fourth proportional to 2,981,963.28, 4,115,000.68 and 1,623,806.48 is: 2,240,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,963.28 : 4,115,000.68 = 1,623,806.48 : x
  2. Step 2: Convert to fraction form
    2,981,963.28/4,115,000.68 = 1,623,806.48/x
  3. Step 3: Cross multiply
    2,981,963.28x = 4,115,000.68 × 1,623,806.48
  4. Step 4: Simplify right side
    2,981,963.28x = 6,681,964,769,388.41
  5. Step 5: Solve for x
    x = 6,681,964,769,388.41/2,981,963.28
  6. Step 6: Final answer
    x = 2,240,793.78

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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.