Home / 6,469,143.40-9,703,715.10-3,949,719.40

Finding the Fourth Proportional to 6,469,143.40, 9,703,715.10 and 3,949,719.40

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Solution

The fourth proportional to 6,469,143.40, 9,703,715.10 and 3,949,719.40 is: 5,924,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,143.40 : 9,703,715.10 = 3,949,719.40 : x
  2. Step 2: Convert to fraction form
    6,469,143.40/9,703,715.10 = 3,949,719.40/x
  3. Step 3: Cross multiply
    6,469,143.40x = 9,703,715.10 × 3,949,719.40
  4. Step 4: Simplify right side
    6,469,143.40x = 38,326,951,782,542.94
  5. Step 5: Solve for x
    x = 38,326,951,782,542.94/6,469,143.40
  6. Step 6: Final answer
    x = 5,924,579.10

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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.