Home / 3,008,279.20-4,513,455.60-1,326,589.60

Finding the Fourth Proportional to 3,008,279.20, 4,513,455.60 and 1,326,589.60

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Solution

The fourth proportional to 3,008,279.20, 4,513,455.60 and 1,326,589.60 is: 1,990,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,279.20 : 4,513,455.60 = 1,326,589.60 : x
  2. Step 2: Convert to fraction form
    3,008,279.20/4,513,455.60 = 1,326,589.60/x
  3. Step 3: Cross multiply
    3,008,279.20x = 4,513,455.60 × 1,326,589.60
  4. Step 4: Simplify right side
    3,008,279.20x = 5,987,503,259,021.76
  5. Step 5: Solve for x
    x = 5,987,503,259,021.76/3,008,279.20
  6. Step 6: Final answer
    x = 1,990,341.61

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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.