Home / 3,850,420.28-5,311,912.03-2,321,678.12

Finding the Fourth Proportional to 3,850,420.28, 5,311,912.03 and 2,321,678.12

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Solution

The fourth proportional to 3,850,420.28, 5,311,912.03 and 2,321,678.12 is: 3,202,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,420.28 : 5,311,912.03 = 2,321,678.12 : x
  2. Step 2: Convert to fraction form
    3,850,420.28/5,311,912.03 = 2,321,678.12/x
  3. Step 3: Cross multiply
    3,850,420.28x = 5,311,912.03 × 2,321,678.12
  4. Step 4: Simplify right side
    3,850,420.28x = 12,332,549,903,052.03
  5. Step 5: Solve for x
    x = 12,332,549,903,052.03/3,850,420.28
  6. Step 6: Final answer
    x = 3,202,910.08

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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.