Home / 3,867,736.72-5,337,642.78-2,148,857.29

Finding the Fourth Proportional to 3,867,736.72, 5,337,642.78 and 2,148,857.29

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Solution

The fourth proportional to 3,867,736.72, 5,337,642.78 and 2,148,857.29 is: 2,965,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,736.72 : 5,337,642.78 = 2,148,857.29 : x
  2. Step 2: Convert to fraction form
    3,867,736.72/5,337,642.78 = 2,148,857.29/x
  3. Step 3: Cross multiply
    3,867,736.72x = 5,337,642.78 × 2,148,857.29
  4. Step 4: Simplify right side
    3,867,736.72x = 11,469,832,599,218.87
  5. Step 5: Solve for x
    x = 11,469,832,599,218.87/3,867,736.72
  6. Step 6: Final answer
    x = 2,965,515.35

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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.