Home / 3,918,906.36-5,407,792.20-2,199,694.73

Finding the Fourth Proportional to 3,918,906.36, 5,407,792.20 and 2,199,694.73

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Solution

The fourth proportional to 3,918,906.36, 5,407,792.20 and 2,199,694.73 is: 3,035,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,906.36 : 5,407,792.20 = 2,199,694.73 : x
  2. Step 2: Convert to fraction form
    3,918,906.36/5,407,792.20 = 2,199,694.73/x
  3. Step 3: Cross multiply
    3,918,906.36x = 5,407,792.20 × 2,199,694.73
  4. Step 4: Simplify right side
    3,918,906.36x = 11,895,491,976,236.15
  5. Step 5: Solve for x
    x = 11,895,491,976,236.15/3,918,906.36
  6. Step 6: Final answer
    x = 3,035,411.13

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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.