Home / 2,080,379.07-3,120,568.61-1,438,664.07

Finding the Fourth Proportional to 2,080,379.07, 3,120,568.61 and 1,438,664.07

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Solution

The fourth proportional to 2,080,379.07, 3,120,568.61 and 1,438,664.07 is: 2,157,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,379.07 : 3,120,568.61 = 1,438,664.07 : x
  2. Step 2: Convert to fraction form
    2,080,379.07/3,120,568.61 = 1,438,664.07/x
  3. Step 3: Cross multiply
    2,080,379.07x = 3,120,568.61 × 1,438,664.07
  4. Step 4: Simplify right side
    2,080,379.07x = 4,489,449,937,176.84
  5. Step 5: Solve for x
    x = 4,489,449,937,176.84/2,080,379.07
  6. Step 6: Final answer
    x = 2,157,996.11

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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.