Home / 3,431,481.47-4,735,400.42-1,861,590.23

Finding the Fourth Proportional to 3,431,481.47, 4,735,400.42 and 1,861,590.23

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Solution

The fourth proportional to 3,431,481.47, 4,735,400.42 and 1,861,590.23 is: 2,568,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,481.47 : 4,735,400.42 = 1,861,590.23 : x
  2. Step 2: Convert to fraction form
    3,431,481.47/4,735,400.42 = 1,861,590.23/x
  3. Step 3: Cross multiply
    3,431,481.47x = 4,735,400.42 × 1,861,590.23
  4. Step 4: Simplify right side
    3,431,481.47x = 8,815,375,137,986.87
  5. Step 5: Solve for x
    x = 8,815,375,137,986.87/3,431,481.47
  6. Step 6: Final answer
    x = 2,568,970.64

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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.