Home / 3,212,318.88-4,432,987.62-1,988,380.44

Finding the Fourth Proportional to 3,212,318.88, 4,432,987.62 and 1,988,380.44

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Solution

The fourth proportional to 3,212,318.88, 4,432,987.62 and 1,988,380.44 is: 2,743,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,318.88 : 4,432,987.62 = 1,988,380.44 : x
  2. Step 2: Convert to fraction form
    3,212,318.88/4,432,987.62 = 1,988,380.44/x
  3. Step 3: Cross multiply
    3,212,318.88x = 4,432,987.62 × 1,988,380.44
  4. Step 4: Simplify right side
    3,212,318.88x = 8,814,465,874,370.15
  5. Step 5: Solve for x
    x = 8,814,465,874,370.15/3,212,318.88
  6. Step 6: Final answer
    x = 2,743,957.31

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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.