Home / 3,892,190.21-5,370,914.91-2,260,331

Finding the Fourth Proportional to 3,892,190.21, 5,370,914.91 and 2,260,331

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Solution

The fourth proportional to 3,892,190.21, 5,370,914.91 and 2,260,331 is: 3,119,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,190.21 : 5,370,914.91 = 2,260,331 : x
  2. Step 2: Convert to fraction form
    3,892,190.21/5,370,914.91 = 2,260,331/x
  3. Step 3: Cross multiply
    3,892,190.21x = 5,370,914.91 × 2,260,331
  4. Step 4: Simplify right side
    3,892,190.21x = 12,140,045,469,435.21
  5. Step 5: Solve for x
    x = 12,140,045,469,435.21/3,892,190.21
  6. Step 6: Final answer
    x = 3,119,078.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.