Home / 2,769,331.80-3,821,679.72-1,528,943.16

Finding the Fourth Proportional to 2,769,331.80, 3,821,679.72 and 1,528,943.16

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Solution

The fourth proportional to 2,769,331.80, 3,821,679.72 and 1,528,943.16 is: 2,109,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,331.80 : 3,821,679.72 = 1,528,943.16 : x
  2. Step 2: Convert to fraction form
    2,769,331.80/3,821,679.72 = 1,528,943.16/x
  3. Step 3: Cross multiply
    2,769,331.80x = 3,821,679.72 × 1,528,943.16
  4. Step 4: Simplify right side
    2,769,331.80x = 5,843,131,067,604.72
  5. Step 5: Solve for x
    x = 5,843,131,067,604.72/2,769,331.80
  6. Step 6: Final answer
    x = 2,109,942.57

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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.