Home / 3,214,386.92-4,821,607.40-818,231.96

Finding the Fourth Proportional to 3,214,386.92, 4,821,607.40 and 818,231.96

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Solution

The fourth proportional to 3,214,386.92, 4,821,607.40 and 818,231.96 is: 1,227,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,386.92 : 4,821,607.40 = 818,231.96 : x
  2. Step 2: Convert to fraction form
    3,214,386.92/4,821,607.40 = 818,231.96/x
  3. Step 3: Cross multiply
    3,214,386.92x = 4,821,607.40 × 818,231.96
  4. Step 4: Simplify right side
    3,214,386.92x = 3,945,193,251,190.05
  5. Step 5: Solve for x
    x = 3,945,193,251,190.05/3,214,386.92
  6. Step 6: Final answer
    x = 1,227,354.81

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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.