Home / 2,265,755.90-3,126,741.48-1,247,160.65

Finding the Fourth Proportional to 2,265,755.90, 3,126,741.48 and 1,247,160.65

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Solution

The fourth proportional to 2,265,755.90, 3,126,741.48 and 1,247,160.65 is: 1,721,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,755.90 : 3,126,741.48 = 1,247,160.65 : x
  2. Step 2: Convert to fraction form
    2,265,755.90/3,126,741.48 = 1,247,160.65/x
  3. Step 3: Cross multiply
    2,265,755.90x = 3,126,741.48 × 1,247,160.65
  4. Step 4: Simplify right side
    2,265,755.90x = 3,899,548,920,945.06
  5. Step 5: Solve for x
    x = 3,899,548,920,945.06/2,265,755.90
  6. Step 6: Final answer
    x = 1,721,080.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.