Home / 3,102,383.12-4,279,540.44-1,861,672.64

Finding the Fourth Proportional to 3,102,383.12, 4,279,540.44 and 1,861,672.64

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Solution

The fourth proportional to 3,102,383.12, 4,279,540.44 and 1,861,672.64 is: 2,568,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,383.12 : 4,279,540.44 = 1,861,672.64 : x
  2. Step 2: Convert to fraction form
    3,102,383.12/4,279,540.44 = 1,861,672.64/x
  3. Step 3: Cross multiply
    3,102,383.12x = 4,279,540.44 × 1,861,672.64
  4. Step 4: Simplify right side
    3,102,383.12x = 7,967,103,348,921.56
  5. Step 5: Solve for x
    x = 7,967,103,348,921.56/3,102,383.12
  6. Step 6: Final answer
    x = 2,568,059.15

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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.