Home / 3,940,484.52-5,437,799.82-2,221,606.20

Finding the Fourth Proportional to 3,940,484.52, 5,437,799.82 and 2,221,606.20

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Solution

The fourth proportional to 3,940,484.52, 5,437,799.82 and 2,221,606.20 is: 3,065,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,484.52 : 5,437,799.82 = 2,221,606.20 : x
  2. Step 2: Convert to fraction form
    3,940,484.52/5,437,799.82 = 2,221,606.20/x
  3. Step 3: Cross multiply
    3,940,484.52x = 5,437,799.82 × 2,221,606.20
  4. Step 4: Simplify right side
    3,940,484.52x = 12,080,649,794,470.88
  5. Step 5: Solve for x
    x = 12,080,649,794,470.88/3,940,484.52
  6. Step 6: Final answer
    x = 3,065,777.76

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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.