Home / 2,399,722.12-3,311,618.34-1,311,976.36

Finding the Fourth Proportional to 2,399,722.12, 3,311,618.34 and 1,311,976.36

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Solution

The fourth proportional to 2,399,722.12, 3,311,618.34 and 1,311,976.36 is: 1,810,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,722.12 : 3,311,618.34 = 1,311,976.36 : x
  2. Step 2: Convert to fraction form
    2,399,722.12/3,311,618.34 = 1,311,976.36/x
  3. Step 3: Cross multiply
    2,399,722.12x = 3,311,618.34 × 1,311,976.36
  4. Step 4: Simplify right side
    2,399,722.12x = 4,344,764,975,422.44
  5. Step 5: Solve for x
    x = 4,344,764,975,422.44/2,399,722.12
  6. Step 6: Final answer
    x = 1,810,528.37

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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.