Home / 3,211,357.80-4,431,679.58-1,761,063.61

Finding the Fourth Proportional to 3,211,357.80, 4,431,679.58 and 1,761,063.61

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Solution

The fourth proportional to 3,211,357.80, 4,431,679.58 and 1,761,063.61 is: 2,430,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,357.80 : 4,431,679.58 = 1,761,063.61 : x
  2. Step 2: Convert to fraction form
    3,211,357.80/4,431,679.58 = 1,761,063.61/x
  3. Step 3: Cross multiply
    3,211,357.80x = 4,431,679.58 × 1,761,063.61
  4. Step 4: Simplify right side
    3,211,357.80x = 7,804,469,639,518.08
  5. Step 5: Solve for x
    x = 7,804,469,639,518.08/3,211,357.80
  6. Step 6: Final answer
    x = 2,430,270.97

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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.