Home / 2,087,248.67-3,131,319.87-647,900.48

Finding the Fourth Proportional to 2,087,248.67, 3,131,319.87 and 647,900.48

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Solution

The fourth proportional to 2,087,248.67, 3,131,319.87 and 647,900.48 is: 971,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,248.67 : 3,131,319.87 = 647,900.48 : x
  2. Step 2: Convert to fraction form
    2,087,248.67/3,131,319.87 = 647,900.48/x
  3. Step 3: Cross multiply
    2,087,248.67x = 3,131,319.87 × 647,900.48
  4. Step 4: Simplify right side
    2,087,248.67x = 2,028,783,646,806.54
  5. Step 5: Solve for x
    x = 2,028,783,646,806.54/2,087,248.67
  6. Step 6: Final answer
    x = 971,989.43

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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.