Home / 3,825,321.30-5,278,753.89-2,106,120.60

Finding the Fourth Proportional to 3,825,321.30, 5,278,753.89 and 2,106,120.60

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Solution

The fourth proportional to 3,825,321.30, 5,278,753.89 and 2,106,120.60 is: 2,906,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,321.30 : 5,278,753.89 = 2,106,120.60 : x
  2. Step 2: Convert to fraction form
    3,825,321.30/5,278,753.89 = 2,106,120.60/x
  3. Step 3: Cross multiply
    3,825,321.30x = 5,278,753.89 × 2,106,120.60
  4. Step 4: Simplify right side
    3,825,321.30x = 11,117,692,310,059.13
  5. Step 5: Solve for x
    x = 11,117,692,310,059.13/3,825,321.30
  6. Step 6: Final answer
    x = 2,906,342.09

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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.