Home / 3,906,961.47-5,391,480.92-2,164,559.31

Finding the Fourth Proportional to 3,906,961.47, 5,391,480.92 and 2,164,559.31

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Solution

The fourth proportional to 3,906,961.47, 5,391,480.92 and 2,164,559.31 is: 2,987,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,961.47 : 5,391,480.92 = 2,164,559.31 : x
  2. Step 2: Convert to fraction form
    3,906,961.47/5,391,480.92 = 2,164,559.31/x
  3. Step 3: Cross multiply
    3,906,961.47x = 5,391,480.92 × 2,164,559.31
  4. Step 4: Simplify right side
    3,906,961.47x = 11,670,180,209,250.57
  5. Step 5: Solve for x
    x = 11,670,180,209,250.57/3,906,961.47
  6. Step 6: Final answer
    x = 2,987,022.09

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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.