Home / 3,759,298.80-5,187,819.16-2,040,419.20

Finding the Fourth Proportional to 3,759,298.80, 5,187,819.16 and 2,040,419.20

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Solution

The fourth proportional to 3,759,298.80, 5,187,819.16 and 2,040,419.20 is: 2,815,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,298.80 : 5,187,819.16 = 2,040,419.20 : x
  2. Step 2: Convert to fraction form
    3,759,298.80/5,187,819.16 = 2,040,419.20/x
  3. Step 3: Cross multiply
    3,759,298.80x = 5,187,819.16 × 2,040,419.20
  4. Step 4: Simplify right side
    3,759,298.80x = 10,585,325,820,191.87
  5. Step 5: Solve for x
    x = 10,585,325,820,191.87/3,759,298.80
  6. Step 6: Final answer
    x = 2,815,771.34

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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.