Home / 2,100,057.98-3,150,546.26-680,257.58

Finding the Fourth Proportional to 2,100,057.98, 3,150,546.26 and 680,257.58

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Solution

The fourth proportional to 2,100,057.98, 3,150,546.26 and 680,257.58 is: 1,020,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,057.98 : 3,150,546.26 = 680,257.58 : x
  2. Step 2: Convert to fraction form
    2,100,057.98/3,150,546.26 = 680,257.58/x
  3. Step 3: Cross multiply
    2,100,057.98x = 3,150,546.26 × 680,257.58
  4. Step 4: Simplify right side
    2,100,057.98x = 2,143,182,955,351.63
  5. Step 5: Solve for x
    x = 2,143,182,955,351.63/2,100,057.98
  6. Step 6: Final answer
    x = 1,020,535.14

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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.