Home / 5,377,397.82-7,420,721.22-2,930,037.90

Finding the Fourth Proportional to 5,377,397.82, 7,420,721.22 and 2,930,037.90

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Solution

The fourth proportional to 5,377,397.82, 7,420,721.22 and 2,930,037.90 is: 4,043,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,397.82 : 7,420,721.22 = 2,930,037.90 : x
  2. Step 2: Convert to fraction form
    5,377,397.82/7,420,721.22 = 2,930,037.90/x
  3. Step 3: Cross multiply
    5,377,397.82x = 7,420,721.22 × 2,930,037.90
  4. Step 4: Simplify right side
    5,377,397.82x = 21,742,994,419,934.24
  5. Step 5: Solve for x
    x = 21,742,994,419,934.24/5,377,397.82
  6. Step 6: Final answer
    x = 4,043,404.48

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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.