Home / 3,191,938.45-4,787,553.99-1,142,517.15

Finding the Fourth Proportional to 3,191,938.45, 4,787,553.99 and 1,142,517.15

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Solution

The fourth proportional to 3,191,938.45, 4,787,553.99 and 1,142,517.15 is: 1,713,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,938.45 : 4,787,553.99 = 1,142,517.15 : x
  2. Step 2: Convert to fraction form
    3,191,938.45/4,787,553.99 = 1,142,517.15/x
  3. Step 3: Cross multiply
    3,191,938.45x = 4,787,553.99 × 1,142,517.15
  4. Step 4: Simplify right side
    3,191,938.45x = 5,469,862,540,125.93
  5. Step 5: Solve for x
    x = 5,469,862,540,125.93/3,191,938.45
  6. Step 6: Final answer
    x = 1,713,649.13

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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.