Home / 3,915,377.38-5,403,257.63-2,196,534.80

Finding the Fourth Proportional to 3,915,377.38, 5,403,257.63 and 2,196,534.80

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Solution

The fourth proportional to 3,915,377.38, 5,403,257.63 and 2,196,534.80 is: 3,031,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,377.38 : 5,403,257.63 = 2,196,534.80 : x
  2. Step 2: Convert to fraction form
    3,915,377.38/5,403,257.63 = 2,196,534.80/x
  3. Step 3: Cross multiply
    3,915,377.38x = 5,403,257.63 × 2,196,534.80
  4. Step 4: Simplify right side
    3,915,377.38x = 11,868,443,396,135.57
  5. Step 5: Solve for x
    x = 11,868,443,396,135.57/3,915,377.38
  6. Step 6: Final answer
    x = 3,031,238.69

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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.