Home / 3,754,414.51-5,181,201.30-2,122,786.83

Finding the Fourth Proportional to 3,754,414.51, 5,181,201.30 and 2,122,786.83

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Solution

The fourth proportional to 3,754,414.51, 5,181,201.30 and 2,122,786.83 is: 2,929,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,414.51 : 5,181,201.30 = 2,122,786.83 : x
  2. Step 2: Convert to fraction form
    3,754,414.51/5,181,201.30 = 2,122,786.83/x
  3. Step 3: Cross multiply
    3,754,414.51x = 5,181,201.30 × 2,122,786.83
  4. Step 4: Simplify right side
    3,754,414.51x = 10,998,585,883,218.88
  5. Step 5: Solve for x
    x = 10,998,585,883,218.88/3,754,414.51
  6. Step 6: Final answer
    x = 2,929,507.61

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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.