Home / 2,181,164.08-3,271,868.16-664,896.28

Finding the Fourth Proportional to 2,181,164.08, 3,271,868.16 and 664,896.28

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Solution

The fourth proportional to 2,181,164.08, 3,271,868.16 and 664,896.28 is: 997,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,164.08 : 3,271,868.16 = 664,896.28 : x
  2. Step 2: Convert to fraction form
    2,181,164.08/3,271,868.16 = 664,896.28/x
  3. Step 3: Cross multiply
    2,181,164.08x = 3,271,868.16 × 664,896.28
  4. Step 4: Simplify right side
    2,181,164.08x = 2,175,452,968,234.45
  5. Step 5: Solve for x
    x = 2,175,452,968,234.45/2,181,164.08
  6. Step 6: Final answer
    x = 997,381.62

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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.