Home / 3,880,469.22-5,355,213.21-2,161,590.90

Finding the Fourth Proportional to 3,880,469.22, 5,355,213.21 and 2,161,590.90

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Solution

The fourth proportional to 3,880,469.22, 5,355,213.21 and 2,161,590.90 is: 2,983,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,469.22 : 5,355,213.21 = 2,161,590.90 : x
  2. Step 2: Convert to fraction form
    3,880,469.22/5,355,213.21 = 2,161,590.90/x
  3. Step 3: Cross multiply
    3,880,469.22x = 5,355,213.21 × 2,161,590.90
  4. Step 4: Simplify right side
    3,880,469.22x = 11,575,780,142,295.79
  5. Step 5: Solve for x
    x = 11,575,780,142,295.79/3,880,469.22
  6. Step 6: Final answer
    x = 2,983,087.74

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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.