Home / 5,160,020.64-7,120,649.12-3,324,556.30

Finding the Fourth Proportional to 5,160,020.64, 7,120,649.12 and 3,324,556.30

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Solution

The fourth proportional to 5,160,020.64, 7,120,649.12 and 3,324,556.30 is: 4,587,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,020.64 : 7,120,649.12 = 3,324,556.30 : x
  2. Step 2: Convert to fraction form
    5,160,020.64/7,120,649.12 = 3,324,556.30/x
  3. Step 3: Cross multiply
    5,160,020.64x = 7,120,649.12 × 3,324,556.30
  4. Step 4: Simplify right side
    5,160,020.64x = 23,672,998,891,985.45
  5. Step 5: Solve for x
    x = 23,672,998,891,985.45/5,160,020.64
  6. Step 6: Final answer
    x = 4,587,772.13

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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.