Home / 2,722,403.13-4,086,128.12-1,375,512.35

Finding the Fourth Proportional to 2,722,403.13, 4,086,128.12 and 1,375,512.35

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Solution

The fourth proportional to 2,722,403.13, 4,086,128.12 and 1,375,512.35 is: 2,064,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,403.13 : 4,086,128.12 = 1,375,512.35 : x
  2. Step 2: Convert to fraction form
    2,722,403.13/4,086,128.12 = 1,375,512.35/x
  3. Step 3: Cross multiply
    2,722,403.13x = 4,086,128.12 × 1,375,512.35
  4. Step 4: Simplify right side
    2,722,403.13x = 5,620,519,665,434.08
  5. Step 5: Solve for x
    x = 5,620,519,665,434.08/2,722,403.13
  6. Step 6: Final answer
    x = 2,064,543.50

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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.