Home / 3,689,858.88-5,091,996.96-2,080,215.36

Finding the Fourth Proportional to 3,689,858.88, 5,091,996.96 and 2,080,215.36

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Solution

The fourth proportional to 3,689,858.88, 5,091,996.96 and 2,080,215.36 is: 2,870,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,858.88 : 5,091,996.96 = 2,080,215.36 : x
  2. Step 2: Convert to fraction form
    3,689,858.88/5,091,996.96 = 2,080,215.36/x
  3. Step 3: Cross multiply
    3,689,858.88x = 5,091,996.96 × 2,080,215.36
  4. Step 4: Simplify right side
    3,689,858.88x = 10,592,450,289,265.31
  5. Step 5: Solve for x
    x = 10,592,450,289,265.31/3,689,858.88
  6. Step 6: Final answer
    x = 2,870,692.52

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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.