Home / 3,367,180.20-4,645,556.10-1,916,512.68

Finding the Fourth Proportional to 3,367,180.20, 4,645,556.10 and 1,916,512.68

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Solution

The fourth proportional to 3,367,180.20, 4,645,556.10 and 1,916,512.68 is: 2,644,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367,180.20 : 4,645,556.10 = 1,916,512.68 : x
  2. Step 2: Convert to fraction form
    3,367,180.20/4,645,556.10 = 1,916,512.68/x
  3. Step 3: Cross multiply
    3,367,180.20x = 4,645,556.10 × 1,916,512.68
  4. Step 4: Simplify right side
    3,367,180.20x = 8,903,267,171,301.35
  5. Step 5: Solve for x
    x = 8,903,267,171,301.35/3,367,180.20
  6. Step 6: Final answer
    x = 2,644,131.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.