Home / 3,211,034.87-4,813,180.67-1,080,379.28

Finding the Fourth Proportional to 3,211,034.87, 4,813,180.67 and 1,080,379.28

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Solution

The fourth proportional to 3,211,034.87, 4,813,180.67 and 1,080,379.28 is: 1,619,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,034.87 : 4,813,180.67 = 1,080,379.28 : x
  2. Step 2: Convert to fraction form
    3,211,034.87/4,813,180.67 = 1,080,379.28/x
  3. Step 3: Cross multiply
    3,211,034.87x = 4,813,180.67 × 1,080,379.28
  4. Step 4: Simplify right side
    3,211,034.87x = 5,200,060,661,362.62
  5. Step 5: Solve for x
    x = 5,200,060,661,362.62/3,211,034.87
  6. Step 6: Final answer
    x = 1,619,434.50

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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.