Home / 3,856,498.49-5,784,932.12-3,181,327.85

Finding the Fourth Proportional to 3,856,498.49, 5,784,932.12 and 3,181,327.85

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Solution

The fourth proportional to 3,856,498.49, 5,784,932.12 and 3,181,327.85 is: 4,772,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,498.49 : 5,784,932.12 = 3,181,327.85 : x
  2. Step 2: Convert to fraction form
    3,856,498.49/5,784,932.12 = 3,181,327.85/x
  3. Step 3: Cross multiply
    3,856,498.49x = 5,784,932.12 × 3,181,327.85
  4. Step 4: Simplify right side
    3,856,498.49x = 18,403,765,662,271.23
  5. Step 5: Solve for x
    x = 18,403,765,662,271.23/3,856,498.49
  6. Step 6: Final answer
    x = 4,772,143.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.