Home / 3,211,035.37-4,813,181.41-1,080,379.78

Finding the Fourth Proportional to 3,211,035.37, 4,813,181.41 and 1,080,379.78

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Solution

The fourth proportional to 3,211,035.37, 4,813,181.41 and 1,080,379.78 is: 1,619,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,035.37 : 4,813,181.41 = 1,080,379.78 : x
  2. Step 2: Convert to fraction form
    3,211,035.37/4,813,181.41 = 1,080,379.78/x
  3. Step 3: Cross multiply
    3,211,035.37x = 4,813,181.41 × 1,080,379.78
  4. Step 4: Simplify right side
    3,211,035.37x = 5,200,063,872,835.89
  5. Step 5: Solve for x
    x = 5,200,063,872,835.89/3,211,035.37
  6. Step 6: Final answer
    x = 1,619,435.25

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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.