Home / 3,826,778.22-5,281,181.10-2,195,174.16

Finding the Fourth Proportional to 3,826,778.22, 5,281,181.10 and 2,195,174.16

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Solution

The fourth proportional to 3,826,778.22, 5,281,181.10 and 2,195,174.16 is: 3,029,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,778.22 : 5,281,181.10 = 2,195,174.16 : x
  2. Step 2: Convert to fraction form
    3,826,778.22/5,281,181.10 = 2,195,174.16/x
  3. Step 3: Cross multiply
    3,826,778.22x = 5,281,181.10 × 2,195,174.16
  4. Step 4: Simplify right side
    3,826,778.22x = 11,593,112,285,000.38
  5. Step 5: Solve for x
    x = 11,593,112,285,000.38/3,826,778.22
  6. Step 6: Final answer
    x = 3,029,470.65

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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.