Home / 3,634,145.57-5,015,121.30-2,107,138.43

Finding the Fourth Proportional to 3,634,145.57, 5,015,121.30 and 2,107,138.43

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Solution

The fourth proportional to 3,634,145.57, 5,015,121.30 and 2,107,138.43 is: 2,907,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,145.57 : 5,015,121.30 = 2,107,138.43 : x
  2. Step 2: Convert to fraction form
    3,634,145.57/5,015,121.30 = 2,107,138.43/x
  3. Step 3: Cross multiply
    3,634,145.57x = 5,015,121.30 × 2,107,138.43
  4. Step 4: Simplify right side
    3,634,145.57x = 10,567,554,797,265.95
  5. Step 5: Solve for x
    x = 10,567,554,797,265.95/3,634,145.57
  6. Step 6: Final answer
    x = 2,907,851.27

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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.