Home / 2,188,806.19-3,019,694.65-1,270,878.55

Finding the Fourth Proportional to 2,188,806.19, 3,019,694.65 and 1,270,878.55

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Solution

The fourth proportional to 2,188,806.19, 3,019,694.65 and 1,270,878.55 is: 1,753,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,806.19 : 3,019,694.65 = 1,270,878.55 : x
  2. Step 2: Convert to fraction form
    2,188,806.19/3,019,694.65 = 1,270,878.55/x
  3. Step 3: Cross multiply
    2,188,806.19x = 3,019,694.65 × 1,270,878.55
  4. Step 4: Simplify right side
    2,188,806.19x = 3,837,665,158,234.76
  5. Step 5: Solve for x
    x = 3,837,665,158,234.76/2,188,806.19
  6. Step 6: Final answer
    x = 1,753,314.28

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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.