Home / 3,239,813.21-4,859,998.89-843,662.20

Finding the Fourth Proportional to 3,239,813.21, 4,859,998.89 and 843,662.20

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Solution

The fourth proportional to 3,239,813.21, 4,859,998.89 and 843,662.20 is: 1,265,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,813.21 : 4,859,998.89 = 843,662.20 : x
  2. Step 2: Convert to fraction form
    3,239,813.21/4,859,998.89 = 843,662.20/x
  3. Step 3: Cross multiply
    3,239,813.21x = 4,859,998.89 × 843,662.20
  4. Step 4: Simplify right side
    3,239,813.21x = 4,100,197,349,333.73
  5. Step 5: Solve for x
    x = 4,100,197,349,333.73/3,239,813.21
  6. Step 6: Final answer
    x = 1,265,565.97

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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.