Home / 2,181,164.58-3,271,868.91-664,896.78

Finding the Fourth Proportional to 2,181,164.58, 3,271,868.91 and 664,896.78

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Solution

The fourth proportional to 2,181,164.58, 3,271,868.91 and 664,896.78 is: 997,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,164.58 : 3,271,868.91 = 664,896.78 : x
  2. Step 2: Convert to fraction form
    2,181,164.58/3,271,868.91 = 664,896.78/x
  3. Step 3: Cross multiply
    2,181,164.58x = 3,271,868.91 × 664,896.78
  4. Step 4: Simplify right side
    2,181,164.58x = 2,175,455,102,841.11
  5. Step 5: Solve for x
    x = 2,175,455,102,841.11/2,181,164.58
  6. Step 6: Final answer
    x = 997,382.37

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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.