Home / 3,960,039.38-5,930,011.42-3,318,656.54

Finding the Fourth Proportional to 3,960,039.38, 5,930,011.42 and 3,318,656.54

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Solution

The fourth proportional to 3,960,039.38, 5,930,011.42 and 3,318,656.54 is: 4,969,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,039.38 : 5,930,011.42 = 3,318,656.54 : x
  2. Step 2: Convert to fraction form
    3,960,039.38/5,930,011.42 = 3,318,656.54/x
  3. Step 3: Cross multiply
    3,960,039.38x = 5,930,011.42 × 3,318,656.54
  4. Step 4: Simplify right side
    3,960,039.38x = 19,679,671,143,310.99
  5. Step 5: Solve for x
    x = 19,679,671,143,310.99/3,960,039.38
  6. Step 6: Final answer
    x = 4,969,564.51

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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.