Home / 2,171,194.80-3,256,800.58-908,136.42

Finding the Fourth Proportional to 2,171,194.80, 3,256,800.58 and 908,136.42

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Solution

The fourth proportional to 2,171,194.80, 3,256,800.58 and 908,136.42 is: 1,362,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,194.80 : 3,256,800.58 = 908,136.42 : x
  2. Step 2: Convert to fraction form
    2,171,194.80/3,256,800.58 = 908,136.42/x
  3. Step 3: Cross multiply
    2,171,194.80x = 3,256,800.58 × 908,136.42
  4. Step 4: Simplify right side
    2,171,194.80x = 2,957,619,219,375.12
  5. Step 5: Solve for x
    x = 2,957,619,219,375.12/2,171,194.80
  6. Step 6: Final answer
    x = 1,362,208.14

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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.