Home / 3,391,410.82-4,680,145.85-1,863,616.36

Finding the Fourth Proportional to 3,391,410.82, 4,680,145.85 and 1,863,616.36

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Solution

The fourth proportional to 3,391,410.82, 4,680,145.85 and 1,863,616.36 is: 2,571,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,410.82 : 4,680,145.85 = 1,863,616.36 : x
  2. Step 2: Convert to fraction form
    3,391,410.82/4,680,145.85 = 1,863,616.36/x
  3. Step 3: Cross multiply
    3,391,410.82x = 4,680,145.85 × 1,863,616.36
  4. Step 4: Simplify right side
    3,391,410.82x = 8,721,996,373,246.11
  5. Step 5: Solve for x
    x = 8,721,996,373,246.11/3,391,410.82
  6. Step 6: Final answer
    x = 2,571,789.98

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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.