Home / 2,399,158.85-3,310,839.36-1,311,434.75

Finding the Fourth Proportional to 2,399,158.85, 3,310,839.36 and 1,311,434.75

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Solution

The fourth proportional to 2,399,158.85, 3,310,839.36 and 1,311,434.75 is: 1,809,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,158.85 : 3,310,839.36 = 1,311,434.75 : x
  2. Step 2: Convert to fraction form
    2,399,158.85/3,310,839.36 = 1,311,434.75/x
  3. Step 3: Cross multiply
    2,399,158.85x = 3,310,839.36 × 1,311,434.75
  4. Step 4: Simplify right side
    2,399,158.85x = 4,341,949,796,648.86
  5. Step 5: Solve for x
    x = 4,341,949,796,648.86/2,399,158.85
  6. Step 6: Final answer
    x = 1,809,780.04

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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.