Home / 1,904,285.76-2,625,523.20-1,394,102.40

Finding the Fourth Proportional to 1,904,285.76, 2,625,523.20 and 1,394,102.40

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Solution

The fourth proportional to 1,904,285.76, 2,625,523.20 and 1,394,102.40 is: 1,922,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,285.76 : 2,625,523.20 = 1,394,102.40 : x
  2. Step 2: Convert to fraction form
    1,904,285.76/2,625,523.20 = 1,394,102.40/x
  3. Step 3: Cross multiply
    1,904,285.76x = 2,625,523.20 × 1,394,102.40
  4. Step 4: Simplify right side
    1,904,285.76x = 3,660,248,194,375.68
  5. Step 5: Solve for x
    x = 3,660,248,194,375.68/1,904,285.76
  6. Step 6: Final answer
    x = 1,922,110.78

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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.