Home / 3,422,357.87-5,138,583.23-1,908,997.61

Finding the Fourth Proportional to 3,422,357.87, 5,138,583.23 and 1,908,997.61

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Solution

The fourth proportional to 3,422,357.87, 5,138,583.23 and 1,908,997.61 is: 2,866,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,357.87 : 5,138,583.23 = 1,908,997.61 : x
  2. Step 2: Convert to fraction form
    3,422,357.87/5,138,583.23 = 1,908,997.61/x
  3. Step 3: Cross multiply
    3,422,357.87x = 5,138,583.23 × 1,908,997.61
  4. Step 4: Simplify right side
    3,422,357.87x = 9,809,543,083,935.66
  5. Step 5: Solve for x
    x = 9,809,543,083,935.66/3,422,357.87
  6. Step 6: Final answer
    x = 2,866,311.32

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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.