Home / 3,901,101.20-5,383,265.16-2,181,923.60

Finding the Fourth Proportional to 3,901,101.20, 5,383,265.16 and 2,181,923.60

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Solution

The fourth proportional to 3,901,101.20, 5,383,265.16 and 2,181,923.60 is: 3,010,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,101.20 : 5,383,265.16 = 2,181,923.60 : x
  2. Step 2: Convert to fraction form
    3,901,101.20/5,383,265.16 = 2,181,923.60/x
  3. Step 3: Cross multiply
    3,901,101.20x = 5,383,265.16 × 2,181,923.60
  4. Step 4: Simplify right side
    3,901,101.20x = 11,745,873,297,661.78
  5. Step 5: Solve for x
    x = 11,745,873,297,661.78/3,901,101.20
  6. Step 6: Final answer
    x = 3,010,912.23

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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.