Home / 2,265,645.72-3,126,679.74-1,247,145.24

Finding the Fourth Proportional to 2,265,645.72, 3,126,679.74 and 1,247,145.24

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Solution

The fourth proportional to 2,265,645.72, 3,126,679.74 and 1,247,145.24 is: 1,721,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,645.72 : 3,126,679.74 = 1,247,145.24 : x
  2. Step 2: Convert to fraction form
    2,265,645.72/3,126,679.74 = 1,247,145.24/x
  3. Step 3: Cross multiply
    2,265,645.72x = 3,126,679.74 × 1,247,145.24
  4. Step 4: Simplify right side
    2,265,645.72x = 3,899,423,754,745.44
  5. Step 5: Solve for x
    x = 3,899,423,754,745.44/2,265,645.72
  6. Step 6: Final answer
    x = 1,721,109.23

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Double scale
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1.5x scale

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.