Home / 2,987,603.20-4,472,685.25-2,222,494.61

Finding the Fourth Proportional to 2,987,603.20, 4,472,685.25 and 2,222,494.61

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Solution

The fourth proportional to 2,987,603.20, 4,472,685.25 and 2,222,494.61 is: 3,327,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,603.20 : 4,472,685.25 = 2,222,494.61 : x
  2. Step 2: Convert to fraction form
    2,987,603.20/4,472,685.25 = 2,222,494.61/x
  3. Step 3: Cross multiply
    2,987,603.20x = 4,472,685.25 × 2,222,494.61
  4. Step 4: Simplify right side
    2,987,603.20x = 9,940,518,865,976.98
  5. Step 5: Solve for x
    x = 9,940,518,865,976.98/2,987,603.20
  6. Step 6: Final answer
    x = 3,327,255.40

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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.