Home / 3,520,489.80-5,284,233.90-1,725,400.20

Finding the Fourth Proportional to 3,520,489.80, 5,284,233.90 and 1,725,400.20

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Solution

The fourth proportional to 3,520,489.80, 5,284,233.90 and 1,725,400.20 is: 2,589,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,489.80 : 5,284,233.90 = 1,725,400.20 : x
  2. Step 2: Convert to fraction form
    3,520,489.80/5,284,233.90 = 1,725,400.20/x
  3. Step 3: Cross multiply
    3,520,489.80x = 5,284,233.90 × 1,725,400.20
  4. Step 4: Simplify right side
    3,520,489.80x = 9,117,418,227,906.78
  5. Step 5: Solve for x
    x = 9,117,418,227,906.78/3,520,489.80
  6. Step 6: Final answer
    x = 2,589,815.27

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1.5x scale

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.