Home / 3,101,608.60-4,279,587.42-1,812,199.96

Finding the Fourth Proportional to 3,101,608.60, 4,279,587.42 and 1,812,199.96

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Solution

The fourth proportional to 3,101,608.60, 4,279,587.42 and 1,812,199.96 is: 2,500,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,608.60 : 4,279,587.42 = 1,812,199.96 : x
  2. Step 2: Convert to fraction form
    3,101,608.60/4,279,587.42 = 1,812,199.96/x
  3. Step 3: Cross multiply
    3,101,608.60x = 4,279,587.42 × 1,812,199.96
  4. Step 4: Simplify right side
    3,101,608.60x = 7,755,468,151,340.50
  5. Step 5: Solve for x
    x = 7,755,468,151,340.50/3,101,608.60
  6. Step 6: Final answer
    x = 2,500,466.42

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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.