Home / 3,889,162.12-5,367,043.92-2,146,831.96

Finding the Fourth Proportional to 3,889,162.12, 5,367,043.92 and 2,146,831.96

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Solution

The fourth proportional to 3,889,162.12, 5,367,043.92 and 2,146,831.96 is: 2,962,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,162.12 : 5,367,043.92 = 2,146,831.96 : x
  2. Step 2: Convert to fraction form
    3,889,162.12/5,367,043.92 = 2,146,831.96/x
  3. Step 3: Cross multiply
    3,889,162.12x = 5,367,043.92 × 2,146,831.96
  4. Step 4: Simplify right side
    3,889,162.12x = 11,522,141,418,179.68
  5. Step 5: Solve for x
    x = 11,522,141,418,179.68/3,889,162.12
  6. Step 6: Final answer
    x = 2,962,628.21

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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.