Home / 3,458,855.66-5,191,431.89-1,840,982.76

Finding the Fourth Proportional to 3,458,855.66, 5,191,431.89 and 1,840,982.76

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Solution

The fourth proportional to 3,458,855.66, 5,191,431.89 and 1,840,982.76 is: 2,763,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,855.66 : 5,191,431.89 = 1,840,982.76 : x
  2. Step 2: Convert to fraction form
    3,458,855.66/5,191,431.89 = 1,840,982.76/x
  3. Step 3: Cross multiply
    3,458,855.66x = 5,191,431.89 × 1,840,982.76
  4. Step 4: Simplify right side
    3,458,855.66x = 9,557,336,622,182.80
  5. Step 5: Solve for x
    x = 9,557,336,622,182.80/3,458,855.66
  6. Step 6: Final answer
    x = 2,763,149.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.