Home / 5,155,125.38-7,113,282.20-2,979,248.34

Finding the Fourth Proportional to 5,155,125.38, 7,113,282.20 and 2,979,248.34

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Solution

The fourth proportional to 5,155,125.38, 7,113,282.20 and 2,979,248.34 is: 4,110,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,125.38 : 7,113,282.20 = 2,979,248.34 : x
  2. Step 2: Convert to fraction form
    5,155,125.38/7,113,282.20 = 2,979,248.34/x
  3. Step 3: Cross multiply
    5,155,125.38x = 7,113,282.20 × 2,979,248.34
  4. Step 4: Simplify right side
    5,155,125.38x = 21,192,234,171,405.30
  5. Step 5: Solve for x
    x = 21,192,234,171,405.30/5,155,125.38
  6. Step 6: Final answer
    x = 4,110,905.68

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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.