Home / 1,904,131.80-2,627,012.34-1,251,109.56

Finding the Fourth Proportional to 1,904,131.80, 2,627,012.34 and 1,251,109.56

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Solution

The fourth proportional to 1,904,131.80, 2,627,012.34 and 1,251,109.56 is: 1,726,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,131.80 : 2,627,012.34 = 1,251,109.56 : x
  2. Step 2: Convert to fraction form
    1,904,131.80/2,627,012.34 = 1,251,109.56/x
  3. Step 3: Cross multiply
    1,904,131.80x = 2,627,012.34 × 1,251,109.56
  4. Step 4: Simplify right side
    1,904,131.80x = 3,286,680,252,811.97
  5. Step 5: Solve for x
    x = 3,286,680,252,811.97/1,904,131.80
  6. Step 6: Final answer
    x = 1,726,078.13

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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.