Home / 3,307,940.20-4,961,910.30-3,279,946.60

Finding the Fourth Proportional to 3,307,940.20, 4,961,910.30 and 3,279,946.60

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Solution

The fourth proportional to 3,307,940.20, 4,961,910.30 and 3,279,946.60 is: 4,919,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307,940.20 : 4,961,910.30 = 3,279,946.60 : x
  2. Step 2: Convert to fraction form
    3,307,940.20/4,961,910.30 = 3,279,946.60/x
  3. Step 3: Cross multiply
    3,307,940.20x = 4,961,910.30 × 3,279,946.60
  4. Step 4: Simplify right side
    3,307,940.20x = 16,274,800,817,989.98
  5. Step 5: Solve for x
    x = 16,274,800,817,989.98/3,307,940.20
  6. Step 6: Final answer
    x = 4,919,919.90

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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.