Home / 3,109,154.31-4,663,898.53-979,405.11

Finding the Fourth Proportional to 3,109,154.31, 4,663,898.53 and 979,405.11

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Solution

The fourth proportional to 3,109,154.31, 4,663,898.53 and 979,405.11 is: 1,469,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,154.31 : 4,663,898.53 = 979,405.11 : x
  2. Step 2: Convert to fraction form
    3,109,154.31/4,663,898.53 = 979,405.11/x
  3. Step 3: Cross multiply
    3,109,154.31x = 4,663,898.53 × 979,405.11
  4. Step 4: Simplify right side
    3,109,154.31x = 4,567,846,050,354.98
  5. Step 5: Solve for x
    x = 4,567,846,050,354.98/3,109,154.31
  6. Step 6: Final answer
    x = 1,469,160.29

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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.