Home / 3,313,336.57-4,969,451.20-917,423.39

Finding the Fourth Proportional to 3,313,336.57, 4,969,451.20 and 917,423.39

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Solution

The fourth proportional to 3,313,336.57, 4,969,451.20 and 917,423.39 is: 1,375,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,336.57 : 4,969,451.20 = 917,423.39 : x
  2. Step 2: Convert to fraction form
    3,313,336.57/4,969,451.20 = 917,423.39/x
  3. Step 3: Cross multiply
    3,313,336.57x = 4,969,451.20 × 917,423.39
  4. Step 4: Simplify right side
    3,313,336.57x = 4,559,090,766,343.57
  5. Step 5: Solve for x
    x = 4,559,090,766,343.57/3,313,336.57
  6. Step 6: Final answer
    x = 1,375,981.78

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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.