Home / 3,391,928.35-4,681,040.39-1,922,121.89

Finding the Fourth Proportional to 3,391,928.35, 4,681,040.39 and 1,922,121.89

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Solution

The fourth proportional to 3,391,928.35, 4,681,040.39 and 1,922,121.89 is: 2,652,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,928.35 : 4,681,040.39 = 1,922,121.89 : x
  2. Step 2: Convert to fraction form
    3,391,928.35/4,681,040.39 = 1,922,121.89/x
  3. Step 3: Cross multiply
    3,391,928.35x = 4,681,040.39 × 1,922,121.89
  4. Step 4: Simplify right side
    3,391,928.35x = 8,997,530,201,593.14
  5. Step 5: Solve for x
    x = 8,997,530,201,593.14/3,391,928.35
  6. Step 6: Final answer
    x = 2,652,629.79

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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.