Home / 3,207,609.92-4,810,833.48-1,288,443.80

Finding the Fourth Proportional to 3,207,609.92, 4,810,833.48 and 1,288,443.80

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Solution

The fourth proportional to 3,207,609.92, 4,810,833.48 and 1,288,443.80 is: 1,932,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,609.92 : 4,810,833.48 = 1,288,443.80 : x
  2. Step 2: Convert to fraction form
    3,207,609.92/4,810,833.48 = 1,288,443.80/x
  3. Step 3: Cross multiply
    3,207,609.92x = 4,810,833.48 × 1,288,443.80
  4. Step 4: Simplify right side
    3,207,609.92x = 6,198,488,570,138.43
  5. Step 5: Solve for x
    x = 6,198,488,570,138.43/3,207,609.92
  6. Step 6: Final answer
    x = 1,932,432.16

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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.