Home / 2,885,891.20-3,982,267.84-1,661,870.72

Finding the Fourth Proportional to 2,885,891.20, 3,982,267.84 and 1,661,870.72

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Solution

The fourth proportional to 2,885,891.20, 3,982,267.84 and 1,661,870.72 is: 2,293,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,891.20 : 3,982,267.84 = 1,661,870.72 : x
  2. Step 2: Convert to fraction form
    2,885,891.20/3,982,267.84 = 1,661,870.72/x
  3. Step 3: Cross multiply
    2,885,891.20x = 3,982,267.84 × 1,661,870.72
  4. Step 4: Simplify right side
    2,885,891.20x = 6,618,014,322,493.65
  5. Step 5: Solve for x
    x = 6,618,014,322,493.65/2,885,891.20
  6. Step 6: Final answer
    x = 2,293,230.71

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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.