Home / 2,115,355.82-3,174,294.51-767,623.55

Finding the Fourth Proportional to 2,115,355.82, 3,174,294.51 and 767,623.55

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Solution

The fourth proportional to 2,115,355.82, 3,174,294.51 and 767,623.55 is: 1,151,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,355.82 : 3,174,294.51 = 767,623.55 : x
  2. Step 2: Convert to fraction form
    2,115,355.82/3,174,294.51 = 767,623.55/x
  3. Step 3: Cross multiply
    2,115,355.82x = 3,174,294.51 × 767,623.55
  4. Step 4: Simplify right side
    2,115,355.82x = 2,436,663,204,640.24
  5. Step 5: Solve for x
    x = 2,436,663,204,640.24/2,115,355.82
  6. Step 6: Final answer
    x = 1,151,892.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.