Home / 3,619,997.92-4,995,588.09-1,988,401.15

Finding the Fourth Proportional to 3,619,997.92, 4,995,588.09 and 1,988,401.15

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Solution

The fourth proportional to 3,619,997.92, 4,995,588.09 and 1,988,401.15 is: 2,743,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,997.92 : 4,995,588.09 = 1,988,401.15 : x
  2. Step 2: Convert to fraction form
    3,619,997.92/4,995,588.09 = 1,988,401.15/x
  3. Step 3: Cross multiply
    3,619,997.92x = 4,995,588.09 × 1,988,401.15
  4. Step 4: Simplify right side
    3,619,997.92x = 9,933,233,103,082.30
  5. Step 5: Solve for x
    x = 9,933,233,103,082.30/3,619,997.92
  6. Step 6: Final answer
    x = 2,743,988.62

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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.