Home / 2,002,378.94-2,761,069.11-1,276,076.78

Finding the Fourth Proportional to 2,002,378.94, 2,761,069.11 and 1,276,076.78

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Solution

The fourth proportional to 2,002,378.94, 2,761,069.11 and 1,276,076.78 is: 1,759,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,378.94 : 2,761,069.11 = 1,276,076.78 : x
  2. Step 2: Convert to fraction form
    2,002,378.94/2,761,069.11 = 1,276,076.78/x
  3. Step 3: Cross multiply
    2,002,378.94x = 2,761,069.11 × 1,276,076.78
  4. Step 4: Simplify right side
    2,002,378.94x = 3,523,336,179,246.27
  5. Step 5: Solve for x
    x = 3,523,336,179,246.27/2,002,378.94
  6. Step 6: Final answer
    x = 1,759,575.13

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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.