Home / 5,377,398.82-7,420,722.60-2,930,038.90

Finding the Fourth Proportional to 5,377,398.82, 7,420,722.60 and 2,930,038.90

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Solution

The fourth proportional to 5,377,398.82, 7,420,722.60 and 2,930,038.90 is: 4,043,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,398.82 : 7,420,722.60 = 2,930,038.90 : x
  2. Step 2: Convert to fraction form
    5,377,398.82/7,420,722.60 = 2,930,038.90/x
  3. Step 3: Cross multiply
    5,377,398.82x = 7,420,722.60 × 2,930,038.90
  4. Step 4: Simplify right side
    5,377,398.82x = 21,743,005,884,109.14
  5. Step 5: Solve for x
    x = 21,743,005,884,109.14/5,377,398.82
  6. Step 6: Final answer
    x = 4,043,405.86

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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.