Home / 3,868,046.79-5,337,905.69-2,149,167.30

Finding the Fourth Proportional to 3,868,046.79, 5,337,905.69 and 2,149,167.30

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Solution

The fourth proportional to 3,868,046.79, 5,337,905.69 and 2,149,167.30 is: 2,965,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,046.79 : 5,337,905.69 = 2,149,167.30 : x
  2. Step 2: Convert to fraction form
    3,868,046.79/5,337,905.69 = 2,149,167.30/x
  3. Step 3: Cross multiply
    3,868,046.79x = 5,337,905.69 × 2,149,167.30
  4. Step 4: Simplify right side
    3,868,046.79x = 11,472,052,348,686.10
  5. Step 5: Solve for x
    x = 11,472,052,348,686.10/3,868,046.79
  6. Step 6: Final answer
    x = 2,965,851.49

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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.