Home / 2,019,205.62-3,029,380.68-821,986.74

Finding the Fourth Proportional to 2,019,205.62, 3,029,380.68 and 821,986.74

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Solution

The fourth proportional to 2,019,205.62, 3,029,380.68 and 821,986.74 is: 1,233,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,205.62 : 3,029,380.68 = 821,986.74 : x
  2. Step 2: Convert to fraction form
    2,019,205.62/3,029,380.68 = 821,986.74/x
  3. Step 3: Cross multiply
    2,019,205.62x = 3,029,380.68 × 821,986.74
  4. Step 4: Simplify right side
    2,019,205.62x = 2,490,110,749,372.18
  5. Step 5: Solve for x
    x = 2,490,110,749,372.18/2,019,205.62
  6. Step 6: Final answer
    x = 1,233,213.06

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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.