Home / 2,399,725.12-3,311,622.48-1,311,979.36

Finding the Fourth Proportional to 2,399,725.12, 3,311,622.48 and 1,311,979.36

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Solution

The fourth proportional to 2,399,725.12, 3,311,622.48 and 1,311,979.36 is: 1,810,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,725.12 : 3,311,622.48 = 1,311,979.36 : x
  2. Step 2: Convert to fraction form
    2,399,725.12/3,311,622.48 = 1,311,979.36/x
  3. Step 3: Cross multiply
    2,399,725.12x = 3,311,622.48 × 1,311,979.36
  4. Step 4: Simplify right side
    2,399,725.12x = 4,344,780,341,872.01
  5. Step 5: Solve for x
    x = 4,344,780,341,872.01/2,399,725.12
  6. Step 6: Final answer
    x = 1,810,532.51

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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.