Home / 2,218,087.78-3,326,784.63-722,169.70

Finding the Fourth Proportional to 2,218,087.78, 3,326,784.63 and 722,169.70

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Solution

The fourth proportional to 2,218,087.78, 3,326,784.63 and 722,169.70 is: 1,083,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,087.78 : 3,326,784.63 = 722,169.70 : x
  2. Step 2: Convert to fraction form
    2,218,087.78/3,326,784.63 = 722,169.70/x
  3. Step 3: Cross multiply
    2,218,087.78x = 3,326,784.63 × 722,169.70
  4. Step 4: Simplify right side
    2,218,087.78x = 2,402,503,058,211.71
  5. Step 5: Solve for x
    x = 2,402,503,058,211.71/2,218,087.78
  6. Step 6: Final answer
    x = 1,083,141.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.