Home / 3,761,399.36-5,190,791.45-2,129,763.11

Finding the Fourth Proportional to 3,761,399.36, 5,190,791.45 and 2,129,763.11

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Solution

The fourth proportional to 3,761,399.36, 5,190,791.45 and 2,129,763.11 is: 2,939,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,399.36 : 5,190,791.45 = 2,129,763.11 : x
  2. Step 2: Convert to fraction form
    3,761,399.36/5,190,791.45 = 2,129,763.11/x
  3. Step 3: Cross multiply
    3,761,399.36x = 5,190,791.45 × 2,129,763.11
  4. Step 4: Simplify right side
    3,761,399.36x = 11,055,156,105,310.64
  5. Step 5: Solve for x
    x = 11,055,156,105,310.64/3,761,399.36
  6. Step 6: Final answer
    x = 2,939,107.24

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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.