Home / 2,289,952.80-3,431,991.60-1,279,072.80

Finding the Fourth Proportional to 2,289,952.80, 3,431,991.60 and 1,279,072.80

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Solution

The fourth proportional to 2,289,952.80, 3,431,991.60 and 1,279,072.80 is: 1,916,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,952.80 : 3,431,991.60 = 1,279,072.80 : x
  2. Step 2: Convert to fraction form
    2,289,952.80/3,431,991.60 = 1,279,072.80/x
  3. Step 3: Cross multiply
    2,289,952.80x = 3,431,991.60 × 1,279,072.80
  4. Step 4: Simplify right side
    2,289,952.80x = 4,389,767,105,388.48
  5. Step 5: Solve for x
    x = 4,389,767,105,388.48/2,289,952.80
  6. Step 6: Final answer
    x = 1,916,968.38

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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.