Home / 3,851,171.39-5,314,782.56-2,132,291.87

Finding the Fourth Proportional to 3,851,171.39, 5,314,782.56 and 2,132,291.87

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Solution

The fourth proportional to 3,851,171.39, 5,314,782.56 and 2,132,291.87 is: 2,942,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,171.39 : 5,314,782.56 = 2,132,291.87 : x
  2. Step 2: Convert to fraction form
    3,851,171.39/5,314,782.56 = 2,132,291.87/x
  3. Step 3: Cross multiply
    3,851,171.39x = 5,314,782.56 × 2,132,291.87
  4. Step 4: Simplify right side
    3,851,171.39x = 11,332,667,643,505.79
  5. Step 5: Solve for x
    x = 11,332,667,643,505.79/3,851,171.39
  6. Step 6: Final answer
    x = 2,942,654.71

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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.