Home / 2,179,498.89-3,007,661.54-1,261,766.87

Finding the Fourth Proportional to 2,179,498.89, 3,007,661.54 and 1,261,766.87

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Solution

The fourth proportional to 2,179,498.89, 3,007,661.54 and 1,261,766.87 is: 1,741,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,498.89 : 3,007,661.54 = 1,261,766.87 : x
  2. Step 2: Convert to fraction form
    2,179,498.89/3,007,661.54 = 1,261,766.87/x
  3. Step 3: Cross multiply
    2,179,498.89x = 3,007,661.54 × 1,261,766.87
  4. Step 4: Simplify right side
    2,179,498.89x = 3,794,967,687,345.18
  5. Step 5: Solve for x
    x = 3,794,967,687,345.18/2,179,498.89
  6. Step 6: Final answer
    x = 1,741,211.11

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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.