Home / 5,557,605.20-8,334,334.20-2,191,115.60

Finding the Fourth Proportional to 5,557,605.20, 8,334,334.20 and 2,191,115.60

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Solution

The fourth proportional to 5,557,605.20, 8,334,334.20 and 2,191,115.60 is: 3,285,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557,605.20 : 8,334,334.20 = 2,191,115.60 : x
  2. Step 2: Convert to fraction form
    5,557,605.20/8,334,334.20 = 2,191,115.60/x
  3. Step 3: Cross multiply
    5,557,605.20x = 8,334,334.20 × 2,191,115.60
  4. Step 4: Simplify right side
    5,557,605.20x = 18,261,489,681,233.52
  5. Step 5: Solve for x
    x = 18,261,489,681,233.52/5,557,605.20
  6. Step 6: Final answer
    x = 3,285,855.87

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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.