Home / 2,969,680.12-4,098,161.20-1,611,553.12

Finding the Fourth Proportional to 2,969,680.12, 4,098,161.20 and 1,611,553.12

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Solution

The fourth proportional to 2,969,680.12, 4,098,161.20 and 1,611,553.12 is: 2,223,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,680.12 : 4,098,161.20 = 1,611,553.12 : x
  2. Step 2: Convert to fraction form
    2,969,680.12/4,098,161.20 = 1,611,553.12/x
  3. Step 3: Cross multiply
    2,969,680.12x = 4,098,161.20 × 1,611,553.12
  4. Step 4: Simplify right side
    2,969,680.12x = 6,604,404,468,122.94
  5. Step 5: Solve for x
    x = 6,604,404,468,122.94/2,969,680.12
  6. Step 6: Final answer
    x = 2,223,944.74

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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.