Home / 2,098,807.20-2,894,819.76-1,372,489.92

Finding the Fourth Proportional to 2,098,807.20, 2,894,819.76 and 1,372,489.92

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Solution

The fourth proportional to 2,098,807.20, 2,894,819.76 and 1,372,489.92 is: 1,893,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,807.20 : 2,894,819.76 = 1,372,489.92 : x
  2. Step 2: Convert to fraction form
    2,098,807.20/2,894,819.76 = 1,372,489.92/x
  3. Step 3: Cross multiply
    2,098,807.20x = 2,894,819.76 × 1,372,489.92
  4. Step 4: Simplify right side
    2,098,807.20x = 3,973,110,940,816.82
  5. Step 5: Solve for x
    x = 3,973,110,940,816.82/2,098,807.20
  6. Step 6: Final answer
    x = 1,893,032.83

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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.