Home / 3,278,279.20-4,917,418.80-3,078,824.80

Finding the Fourth Proportional to 3,278,279.20, 4,917,418.80 and 3,078,824.80

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Solution

The fourth proportional to 3,278,279.20, 4,917,418.80 and 3,078,824.80 is: 4,618,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,279.20 : 4,917,418.80 = 3,078,824.80 : x
  2. Step 2: Convert to fraction form
    3,278,279.20/4,917,418.80 = 3,078,824.80/x
  3. Step 3: Cross multiply
    3,278,279.20x = 4,917,418.80 × 3,078,824.80
  4. Step 4: Simplify right side
    3,278,279.20x = 15,139,870,953,426.24
  5. Step 5: Solve for x
    x = 15,139,870,953,426.24/3,278,279.20
  6. Step 6: Final answer
    x = 4,618,237.20

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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.