Home / 2,091,377.40-3,131,161.20-2,091,377.40

Finding the Fourth Proportional to 2,091,377.40, 3,131,161.20 and 2,091,377.40

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Solution

The fourth proportional to 2,091,377.40, 3,131,161.20 and 2,091,377.40 is: 3,131,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,377.40 : 3,131,161.20 = 2,091,377.40 : x
  2. Step 2: Convert to fraction form
    2,091,377.40/3,131,161.20 = 2,091,377.40/x
  3. Step 3: Cross multiply
    2,091,377.40x = 3,131,161.20 × 2,091,377.40
  4. Step 4: Simplify right side
    2,091,377.40x = 6,548,439,769,436.88
  5. Step 5: Solve for x
    x = 6,548,439,769,436.88/2,091,377.40
  6. Step 6: Final answer
    x = 3,131,161.20

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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.