Home / 2,289,942.80-3,431,976.60-1,279,062.80

Finding the Fourth Proportional to 2,289,942.80, 3,431,976.60 and 1,279,062.80

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Solution

The fourth proportional to 2,289,942.80, 3,431,976.60 and 1,279,062.80 is: 1,916,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,942.80 : 3,431,976.60 = 1,279,062.80 : x
  2. Step 2: Convert to fraction form
    2,289,942.80/3,431,976.60 = 1,279,062.80/x
  3. Step 3: Cross multiply
    2,289,942.80x = 3,431,976.60 × 1,279,062.80
  4. Step 4: Simplify right side
    2,289,942.80x = 4,389,713,599,530.48
  5. Step 5: Solve for x
    x = 4,389,713,599,530.48/2,289,942.80
  6. Step 6: Final answer
    x = 1,916,953.38

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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.