Home / 3,868,788.42-5,339,057.49-2,149,981.38

Finding the Fourth Proportional to 3,868,788.42, 5,339,057.49 and 2,149,981.38

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Solution

The fourth proportional to 3,868,788.42, 5,339,057.49 and 2,149,981.38 is: 2,967,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,788.42 : 5,339,057.49 = 2,149,981.38 : x
  2. Step 2: Convert to fraction form
    3,868,788.42/5,339,057.49 = 2,149,981.38/x
  3. Step 3: Cross multiply
    3,868,788.42x = 5,339,057.49 × 2,149,981.38
  4. Step 4: Simplify right side
    3,868,788.42x = 11,478,874,190,249.54
  5. Step 5: Solve for x
    x = 11,478,874,190,249.54/3,868,788.42
  6. Step 6: Final answer
    x = 2,967,046.25

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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.