Home / 3,868,415.12-5,338,306.80-2,149,491.44

Finding the Fourth Proportional to 3,868,415.12, 5,338,306.80 and 2,149,491.44

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Solution

The fourth proportional to 3,868,415.12, 5,338,306.80 and 2,149,491.44 is: 2,966,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,415.12 : 5,338,306.80 = 2,149,491.44 : x
  2. Step 2: Convert to fraction form
    3,868,415.12/5,338,306.80 = 2,149,491.44/x
  3. Step 3: Cross multiply
    3,868,415.12x = 5,338,306.80 × 2,149,491.44
  4. Step 4: Simplify right side
    3,868,415.12x = 11,474,644,770,693.79
  5. Step 5: Solve for x
    x = 11,474,644,770,693.79/3,868,415.12
  6. Step 6: Final answer
    x = 2,966,239.25

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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.