Home / 3,838,521.28-5,757,788.76-998,628.88

Finding the Fourth Proportional to 3,838,521.28, 5,757,788.76 and 998,628.88

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Solution

The fourth proportional to 3,838,521.28, 5,757,788.76 and 998,628.88 is: 1,497,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,521.28 : 5,757,788.76 = 998,628.88 : x
  2. Step 2: Convert to fraction form
    3,838,521.28/5,757,788.76 = 998,628.88/x
  3. Step 3: Cross multiply
    3,838,521.28x = 5,757,788.76 × 998,628.88
  4. Step 4: Simplify right side
    3,838,521.28x = 5,749,894,140,675.39
  5. Step 5: Solve for x
    x = 5,749,894,140,675.39/3,838,521.28
  6. Step 6: Final answer
    x = 1,497,945.10

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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.