Home / 3,940,021.35-5,910,209.88-1,207,372.14

Finding the Fourth Proportional to 3,940,021.35, 5,910,209.88 and 1,207,372.14

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Solution

The fourth proportional to 3,940,021.35, 5,910,209.88 and 1,207,372.14 is: 1,811,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,021.35 : 5,910,209.88 = 1,207,372.14 : x
  2. Step 2: Convert to fraction form
    3,940,021.35/5,910,209.88 = 1,207,372.14/x
  3. Step 3: Cross multiply
    3,940,021.35x = 5,910,209.88 × 1,207,372.14
  4. Step 4: Simplify right side
    3,940,021.35x = 7,135,822,750,664.74
  5. Step 5: Solve for x
    x = 7,135,822,750,664.74/3,940,021.35
  6. Step 6: Final answer
    x = 1,811,112.71

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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.