Home / 3,309,961.60-4,964,942.40-3,155,996.80

Finding the Fourth Proportional to 3,309,961.60, 4,964,942.40 and 3,155,996.80

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Solution

The fourth proportional to 3,309,961.60, 4,964,942.40 and 3,155,996.80 is: 4,733,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,961.60 : 4,964,942.40 = 3,155,996.80 : x
  2. Step 2: Convert to fraction form
    3,309,961.60/4,964,942.40 = 3,155,996.80/x
  3. Step 3: Cross multiply
    3,309,961.60x = 4,964,942.40 × 3,155,996.80
  4. Step 4: Simplify right side
    3,309,961.60x = 15,669,342,326,584.32
  5. Step 5: Solve for x
    x = 15,669,342,326,584.32/3,309,961.60
  6. Step 6: Final answer
    x = 4,733,995.20

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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.