Home / 3,917,554.66-5,406,753-2,198,769.22

Finding the Fourth Proportional to 3,917,554.66, 5,406,753 and 2,198,769.22

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Solution

The fourth proportional to 3,917,554.66, 5,406,753 and 2,198,769.22 is: 3,034,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,554.66 : 5,406,753 = 2,198,769.22 : x
  2. Step 2: Convert to fraction form
    3,917,554.66/5,406,753 = 2,198,769.22/x
  3. Step 3: Cross multiply
    3,917,554.66x = 5,406,753 × 2,198,769.22
  4. Step 4: Simplify right side
    3,917,554.66x = 11,888,202,076,542.66
  5. Step 5: Solve for x
    x = 11,888,202,076,542.66/3,917,554.66
  6. Step 6: Final answer
    x = 3,034,597.63

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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.