Home / 2,652,231.74-3,978,375.36-2,123,116.22

Finding the Fourth Proportional to 2,652,231.74, 3,978,375.36 and 2,123,116.22

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Solution

The fourth proportional to 2,652,231.74, 3,978,375.36 and 2,123,116.22 is: 3,184,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,231.74 : 3,978,375.36 = 2,123,116.22 : x
  2. Step 2: Convert to fraction form
    2,652,231.74/3,978,375.36 = 2,123,116.22/x
  3. Step 3: Cross multiply
    2,652,231.74x = 3,978,375.36 × 2,123,116.22
  4. Step 4: Simplify right side
    2,652,231.74x = 8,446,553,256,064.34
  5. Step 5: Solve for x
    x = 8,446,553,256,064.34/2,652,231.74
  6. Step 6: Final answer
    x = 3,184,696.54

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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.