Home / 3,309,940.60-4,964,910.90-3,155,975.80

Finding the Fourth Proportional to 3,309,940.60, 4,964,910.90 and 3,155,975.80

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Solution

The fourth proportional to 3,309,940.60, 4,964,910.90 and 3,155,975.80 is: 4,733,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,940.60 : 4,964,910.90 = 3,155,975.80 : x
  2. Step 2: Convert to fraction form
    3,309,940.60/4,964,910.90 = 3,155,975.80/x
  3. Step 3: Cross multiply
    3,309,940.60x = 4,964,910.90 × 3,155,975.80
  4. Step 4: Simplify right side
    3,309,940.60x = 15,669,138,649,556.22
  5. Step 5: Solve for x
    x = 15,669,138,649,556.22/3,309,940.60
  6. Step 6: Final answer
    x = 4,733,963.70

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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.