Home / 3,679,687.85-5,519,143.56-984,285.05

Finding the Fourth Proportional to 3,679,687.85, 5,519,143.56 and 984,285.05

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Solution

The fourth proportional to 3,679,687.85, 5,519,143.56 and 984,285.05 is: 1,476,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,687.85 : 5,519,143.56 = 984,285.05 : x
  2. Step 2: Convert to fraction form
    3,679,687.85/5,519,143.56 = 984,285.05/x
  3. Step 3: Cross multiply
    3,679,687.85x = 5,519,143.56 × 984,285.05
  4. Step 4: Simplify right side
    3,679,687.85x = 5,432,410,494,911.78
  5. Step 5: Solve for x
    x = 5,432,410,494,911.78/3,679,687.85
  6. Step 6: Final answer
    x = 1,476,323.73

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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.