Home / 2,086,859.76-3,131,357.16-993,881.88

Finding the Fourth Proportional to 2,086,859.76, 3,131,357.16 and 993,881.88

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Solution

The fourth proportional to 2,086,859.76, 3,131,357.16 and 993,881.88 is: 1,491,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,859.76 : 3,131,357.16 = 993,881.88 : x
  2. Step 2: Convert to fraction form
    2,086,859.76/3,131,357.16 = 993,881.88/x
  3. Step 3: Cross multiply
    2,086,859.76x = 3,131,357.16 × 993,881.88
  4. Step 4: Simplify right side
    2,086,859.76x = 3,112,199,141,132.26
  5. Step 5: Solve for x
    x = 3,112,199,141,132.26/2,086,859.76
  6. Step 6: Final answer
    x = 1,491,331.23

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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.