Home / 2,690,190.90-3,704,905.17-2,631,404.34

Finding the Fourth Proportional to 2,690,190.90, 3,704,905.17 and 2,631,404.34

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Solution

The fourth proportional to 2,690,190.90, 3,704,905.17 and 2,631,404.34 is: 3,623,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,190.90 : 3,704,905.17 = 2,631,404.34 : x
  2. Step 2: Convert to fraction form
    2,690,190.90/3,704,905.17 = 2,631,404.34/x
  3. Step 3: Cross multiply
    2,690,190.90x = 3,704,905.17 × 2,631,404.34
  4. Step 4: Simplify right side
    2,690,190.90x = 9,749,103,543,626.44
  5. Step 5: Solve for x
    x = 9,749,103,543,626.44/2,690,190.90
  6. Step 6: Final answer
    x = 3,623,944.88

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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.