Home / 3,129,553.28-4,694,292.48-999,608.96

Finding the Fourth Proportional to 3,129,553.28, 4,694,292.48 and 999,608.96

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Solution

The fourth proportional to 3,129,553.28, 4,694,292.48 and 999,608.96 is: 1,499,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,553.28 : 4,694,292.48 = 999,608.96 : x
  2. Step 2: Convert to fraction form
    3,129,553.28/4,694,292.48 = 999,608.96/x
  3. Step 3: Cross multiply
    3,129,553.28x = 4,694,292.48 × 999,608.96
  4. Step 4: Simplify right side
    3,129,553.28x = 4,692,456,823,868.62
  5. Step 5: Solve for x
    x = 4,692,456,823,868.62/3,129,553.28
  6. Step 6: Final answer
    x = 1,499,401.48

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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.