Home / 2,159,991.75-3,240,512.55-664,083.75

Finding the Fourth Proportional to 2,159,991.75, 3,240,512.55 and 664,083.75

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Solution

The fourth proportional to 2,159,991.75, 3,240,512.55 and 664,083.75 is: 996,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,991.75 : 3,240,512.55 = 664,083.75 : x
  2. Step 2: Convert to fraction form
    2,159,991.75/3,240,512.55 = 664,083.75/x
  3. Step 3: Cross multiply
    2,159,991.75x = 3,240,512.55 × 664,083.75
  4. Step 4: Simplify right side
    2,159,991.75x = 2,151,971,726,126.06
  5. Step 5: Solve for x
    x = 2,151,971,726,126.06/2,159,991.75
  6. Step 6: Final answer
    x = 996,287.01

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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.