Home / 3,138,559.20-4,707,838.80-1,008,858.60

Finding the Fourth Proportional to 3,138,559.20, 4,707,838.80 and 1,008,858.60

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Solution

The fourth proportional to 3,138,559.20, 4,707,838.80 and 1,008,858.60 is: 1,513,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,559.20 : 4,707,838.80 = 1,008,858.60 : x
  2. Step 2: Convert to fraction form
    3,138,559.20/4,707,838.80 = 1,008,858.60/x
  3. Step 3: Cross multiply
    3,138,559.20x = 4,707,838.80 × 1,008,858.60
  4. Step 4: Simplify right side
    3,138,559.20x = 4,749,543,660,793.68
  5. Step 5: Solve for x
    x = 4,749,543,660,793.68/3,138,559.20
  6. Step 6: Final answer
    x = 1,513,287.90

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Similar ratio
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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.