Home / 3,659,419.92-5,052,520.08-2,798,480.64

Finding the Fourth Proportional to 3,659,419.92, 5,052,520.08 and 2,798,480.64

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Solution

The fourth proportional to 3,659,419.92, 5,052,520.08 and 2,798,480.64 is: 3,863,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,419.92 : 5,052,520.08 = 2,798,480.64 : x
  2. Step 2: Convert to fraction form
    3,659,419.92/5,052,520.08 = 2,798,480.64/x
  3. Step 3: Cross multiply
    3,659,419.92x = 5,052,520.08 × 2,798,480.64
  4. Step 4: Simplify right side
    3,659,419.92x = 14,139,379,627,091.25
  5. Step 5: Solve for x
    x = 14,139,379,627,091.25/3,659,419.92
  6. Step 6: Final answer
    x = 3,863,830.86

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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.