Home / 2,163,393.15-3,245,621.09-743,469.63

Finding the Fourth Proportional to 2,163,393.15, 3,245,621.09 and 743,469.63

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Solution

The fourth proportional to 2,163,393.15, 3,245,621.09 and 743,469.63 is: 1,115,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,393.15 : 3,245,621.09 = 743,469.63 : x
  2. Step 2: Convert to fraction form
    2,163,393.15/3,245,621.09 = 743,469.63/x
  3. Step 3: Cross multiply
    2,163,393.15x = 3,245,621.09 × 743,469.63
  4. Step 4: Simplify right side
    2,163,393.15x = 2,413,020,707,185.15
  5. Step 5: Solve for x
    x = 2,413,020,707,185.15/2,163,393.15
  6. Step 6: Final answer
    x = 1,115,387.05

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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.