Home / 3,638,343.12-5,022,882-2,188,362.24

Finding the Fourth Proportional to 3,638,343.12, 5,022,882 and 2,188,362.24

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Solution

The fourth proportional to 3,638,343.12, 5,022,882 and 2,188,362.24 is: 3,021,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,343.12 : 5,022,882 = 2,188,362.24 : x
  2. Step 2: Convert to fraction form
    3,638,343.12/5,022,882 = 2,188,362.24/x
  3. Step 3: Cross multiply
    3,638,343.12x = 5,022,882 × 2,188,362.24
  4. Step 4: Simplify right side
    3,638,343.12x = 10,991,885,304,775.68
  5. Step 5: Solve for x
    x = 10,991,885,304,775.68/3,638,343.12
  6. Step 6: Final answer
    x = 3,021,123.89

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Double scale
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1.5x scale

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.