Home / 3,206,709-4,425,128.82-1,918,261.44

Finding the Fourth Proportional to 3,206,709, 4,425,128.82 and 1,918,261.44

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Solution

The fourth proportional to 3,206,709, 4,425,128.82 and 1,918,261.44 is: 2,647,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,709 : 4,425,128.82 = 1,918,261.44 : x
  2. Step 2: Convert to fraction form
    3,206,709/4,425,128.82 = 1,918,261.44/x
  3. Step 3: Cross multiply
    3,206,709x = 4,425,128.82 × 1,918,261.44
  4. Step 4: Simplify right side
    3,206,709x = 8,488,553,982,438.70
  5. Step 5: Solve for x
    x = 8,488,553,982,438.70/3,206,709
  6. Step 6: Final answer
    x = 2,647,123.26

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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.