Home / 5,431,964.20-8,148,930.45-2,729,488.30

Finding the Fourth Proportional to 5,431,964.20, 8,148,930.45 and 2,729,488.30

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Solution

The fourth proportional to 5,431,964.20, 8,148,930.45 and 2,729,488.30 is: 4,094,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,964.20 : 8,148,930.45 = 2,729,488.30 : x
  2. Step 2: Convert to fraction form
    5,431,964.20/8,148,930.45 = 2,729,488.30/x
  3. Step 3: Cross multiply
    5,431,964.20x = 8,148,930.45 × 2,729,488.30
  4. Step 4: Simplify right side
    5,431,964.20x = 22,242,410,320,788.73
  5. Step 5: Solve for x
    x = 22,242,410,320,788.73/5,431,964.20
  6. Step 6: Final answer
    x = 4,094,726.97

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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.