Home / 1,821,449.52-2,515,630.32-1,418,400

Finding the Fourth Proportional to 1,821,449.52, 2,515,630.32 and 1,418,400

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Solution

The fourth proportional to 1,821,449.52, 2,515,630.32 and 1,418,400 is: 1,958,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,449.52 : 2,515,630.32 = 1,418,400 : x
  2. Step 2: Convert to fraction form
    1,821,449.52/2,515,630.32 = 1,418,400/x
  3. Step 3: Cross multiply
    1,821,449.52x = 2,515,630.32 × 1,418,400
  4. Step 4: Simplify right side
    1,821,449.52x = 3,568,170,045,888
  5. Step 5: Solve for x
    x = 3,568,170,045,888/1,821,449.52
  6. Step 6: Final answer
    x = 1,958,972.79

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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.