Home / 2,889,836.82-3,987,974.81-1,600,760.70

Finding the Fourth Proportional to 2,889,836.82, 3,987,974.81 and 1,600,760.70

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Solution

The fourth proportional to 2,889,836.82, 3,987,974.81 and 1,600,760.70 is: 2,209,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,836.82 : 3,987,974.81 = 1,600,760.70 : x
  2. Step 2: Convert to fraction form
    2,889,836.82/3,987,974.81 = 1,600,760.70/x
  3. Step 3: Cross multiply
    2,889,836.82x = 3,987,974.81 × 1,600,760.70
  4. Step 4: Simplify right side
    2,889,836.82x = 6,383,793,340,434.16
  5. Step 5: Solve for x
    x = 6,383,793,340,434.16/2,889,836.82
  6. Step 6: Final answer
    x = 2,209,049.76

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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.