Home / 2,181,163.08-3,271,866.66-664,895.28

Finding the Fourth Proportional to 2,181,163.08, 3,271,866.66 and 664,895.28

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Solution

The fourth proportional to 2,181,163.08, 3,271,866.66 and 664,895.28 is: 997,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,163.08 : 3,271,866.66 = 664,895.28 : x
  2. Step 2: Convert to fraction form
    2,181,163.08/3,271,866.66 = 664,895.28/x
  3. Step 3: Cross multiply
    2,181,163.08x = 3,271,866.66 × 664,895.28
  4. Step 4: Simplify right side
    2,181,163.08x = 2,175,448,699,023.37
  5. Step 5: Solve for x
    x = 2,175,448,699,023.37/2,181,163.08
  6. Step 6: Final answer
    x = 997,380.12

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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.