Home / 3,608,883.60-5,406,764.40-2,855,680.80

Finding the Fourth Proportional to 3,608,883.60, 5,406,764.40 and 2,855,680.80

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Solution

The fourth proportional to 3,608,883.60, 5,406,764.40 and 2,855,680.80 is: 4,278,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,883.60 : 5,406,764.40 = 2,855,680.80 : x
  2. Step 2: Convert to fraction form
    3,608,883.60/5,406,764.40 = 2,855,680.80/x
  3. Step 3: Cross multiply
    3,608,883.60x = 5,406,764.40 × 2,855,680.80
  4. Step 4: Simplify right side
    3,608,883.60x = 15,439,993,287,203.52
  5. Step 5: Solve for x
    x = 15,439,993,287,203.52/3,608,883.60
  6. Step 6: Final answer
    x = 4,278,329.53

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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.