Home / 3,882,422.94-5,357,520.78-2,228,219.88

Finding the Fourth Proportional to 3,882,422.94, 5,357,520.78 and 2,228,219.88

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Solution

The fourth proportional to 3,882,422.94, 5,357,520.78 and 2,228,219.88 is: 3,074,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,422.94 : 5,357,520.78 = 2,228,219.88 : x
  2. Step 2: Convert to fraction form
    3,882,422.94/5,357,520.78 = 2,228,219.88/x
  3. Step 3: Cross multiply
    3,882,422.94x = 5,357,520.78 × 2,228,219.88
  4. Step 4: Simplify right side
    3,882,422.94x = 11,937,734,309,509.11
  5. Step 5: Solve for x
    x = 11,937,734,309,509.11/3,882,422.94
  6. Step 6: Final answer
    x = 3,074,815.52

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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.