Home / 5,145,198.71-7,100,384.40-2,822,110.20

Finding the Fourth Proportional to 5,145,198.71, 7,100,384.40 and 2,822,110.20

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Solution

The fourth proportional to 5,145,198.71, 7,100,384.40 and 2,822,110.20 is: 3,894,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,198.71 : 7,100,384.40 = 2,822,110.20 : x
  2. Step 2: Convert to fraction form
    5,145,198.71/7,100,384.40 = 2,822,110.20/x
  3. Step 3: Cross multiply
    5,145,198.71x = 7,100,384.40 × 2,822,110.20
  4. Step 4: Simplify right side
    5,145,198.71x = 20,038,067,239,160.88
  5. Step 5: Solve for x
    x = 20,038,067,239,160.88/5,145,198.71
  6. Step 6: Final answer
    x = 3,894,517.66

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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.