Home / 1,998,291.43-2,757,657.72-1,103,220.72

Finding the Fourth Proportional to 1,998,291.43, 2,757,657.72 and 1,103,220.72

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Solution

The fourth proportional to 1,998,291.43, 2,757,657.72 and 1,103,220.72 is: 1,522,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,291.43 : 2,757,657.72 = 1,103,220.72 : x
  2. Step 2: Convert to fraction form
    1,998,291.43/2,757,657.72 = 1,103,220.72/x
  3. Step 3: Cross multiply
    1,998,291.43x = 2,757,657.72 × 1,103,220.72
  4. Step 4: Simplify right side
    1,998,291.43x = 3,042,305,135,371.96
  5. Step 5: Solve for x
    x = 3,042,305,135,371.96/1,998,291.43
  6. Step 6: Final answer
    x = 1,522,453.18

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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.