Home / 1,942,400.27-2,681,414.93-1,383,954.68

Finding the Fourth Proportional to 1,942,400.27, 2,681,414.93 and 1,383,954.68

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Solution

The fourth proportional to 1,942,400.27, 2,681,414.93 and 1,383,954.68 is: 1,910,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,400.27 : 2,681,414.93 = 1,383,954.68 : x
  2. Step 2: Convert to fraction form
    1,942,400.27/2,681,414.93 = 1,383,954.68/x
  3. Step 3: Cross multiply
    1,942,400.27x = 2,681,414.93 × 1,383,954.68
  4. Step 4: Simplify right side
    1,942,400.27x = 3,710,956,741,395.37
  5. Step 5: Solve for x
    x = 3,710,956,741,395.37/1,942,400.27
  6. Step 6: Final answer
    x = 1,910,500.53

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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.