Home / 2,218,089.78-3,326,787.63-722,171.70

Finding the Fourth Proportional to 2,218,089.78, 3,326,787.63 and 722,171.70

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Solution

The fourth proportional to 2,218,089.78, 3,326,787.63 and 722,171.70 is: 1,083,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,089.78 : 3,326,787.63 = 722,171.70 : x
  2. Step 2: Convert to fraction form
    2,218,089.78/3,326,787.63 = 722,171.70/x
  3. Step 3: Cross multiply
    2,218,089.78x = 3,326,787.63 × 722,171.70
  4. Step 4: Simplify right side
    2,218,089.78x = 2,402,511,878,296.07
  5. Step 5: Solve for x
    x = 2,402,511,878,296.07/2,218,089.78
  6. Step 6: Final answer
    x = 1,083,144.56

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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.