Home / 2,188,805.19-3,019,693.28-1,270,877.55

Finding the Fourth Proportional to 2,188,805.19, 3,019,693.28 and 1,270,877.55

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Solution

The fourth proportional to 2,188,805.19, 3,019,693.28 and 1,270,877.55 is: 1,753,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,805.19 : 3,019,693.28 = 1,270,877.55 : x
  2. Step 2: Convert to fraction form
    2,188,805.19/3,019,693.28 = 1,270,877.55/x
  3. Step 3: Cross multiply
    2,188,805.19x = 3,019,693.28 × 1,270,877.55
  4. Step 4: Simplify right side
    2,188,805.19x = 3,837,660,391,083.48
  5. Step 5: Solve for x
    x = 3,837,660,391,083.48/2,188,805.19
  6. Step 6: Final answer
    x = 1,753,312.91

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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.