Home / 3,299,467.20-4,946,320.80-1,279,089.60

Finding the Fourth Proportional to 3,299,467.20, 4,946,320.80 and 1,279,089.60

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Solution

The fourth proportional to 3,299,467.20, 4,946,320.80 and 1,279,089.60 is: 1,917,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299,467.20 : 4,946,320.80 = 1,279,089.60 : x
  2. Step 2: Convert to fraction form
    3,299,467.20/4,946,320.80 = 1,279,089.60/x
  3. Step 3: Cross multiply
    3,299,467.20x = 4,946,320.80 × 1,279,089.60
  4. Step 4: Simplify right side
    3,299,467.20x = 6,326,787,493,543.68
  5. Step 5: Solve for x
    x = 6,326,787,493,543.68/3,299,467.20
  6. Step 6: Final answer
    x = 1,917,517.92

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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.