Home / 3,847,836.22-5,309,186.79-2,319,910.54

Finding the Fourth Proportional to 3,847,836.22, 5,309,186.79 and 2,319,910.54

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Solution

The fourth proportional to 3,847,836.22, 5,309,186.79 and 2,319,910.54 is: 3,200,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,836.22 : 5,309,186.79 = 2,319,910.54 : x
  2. Step 2: Convert to fraction form
    3,847,836.22/5,309,186.79 = 2,319,910.54/x
  3. Step 3: Cross multiply
    3,847,836.22x = 5,309,186.79 × 2,319,910.54
  4. Step 4: Simplify right side
    3,847,836.22x = 12,316,838,392,949.77
  5. Step 5: Solve for x
    x = 12,316,838,392,949.77/3,847,836.22
  6. Step 6: Final answer
    x = 3,200,977.82

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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.