Home / 3,455,998.90-5,183,998.35-3,422,821.30

Finding the Fourth Proportional to 3,455,998.90, 5,183,998.35 and 3,422,821.30

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Solution

The fourth proportional to 3,455,998.90, 5,183,998.35 and 3,422,821.30 is: 5,134,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,998.90 : 5,183,998.35 = 3,422,821.30 : x
  2. Step 2: Convert to fraction form
    3,455,998.90/5,183,998.35 = 3,422,821.30/x
  3. Step 3: Cross multiply
    3,455,998.90x = 5,183,998.35 × 3,422,821.30
  4. Step 4: Simplify right side
    3,455,998.90x = 17,743,899,971,544.85
  5. Step 5: Solve for x
    x = 17,743,899,971,544.85/3,455,998.90
  6. Step 6: Final answer
    x = 5,134,231.95

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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.