Home / 3,680,191.72-5,515,118.97-3,137,642.11

Finding the Fourth Proportional to 3,680,191.72, 5,515,118.97 and 3,137,642.11

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Solution

The fourth proportional to 3,680,191.72, 5,515,118.97 and 3,137,642.11 is: 4,702,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,191.72 : 5,515,118.97 = 3,137,642.11 : x
  2. Step 2: Convert to fraction form
    3,680,191.72/5,515,118.97 = 3,137,642.11/x
  3. Step 3: Cross multiply
    3,680,191.72x = 5,515,118.97 × 3,137,642.11
  4. Step 4: Simplify right side
    3,680,191.72x = 17,304,469,521,931.82
  5. Step 5: Solve for x
    x = 17,304,469,521,931.82/3,680,191.72
  6. Step 6: Final answer
    x = 4,702,056.53

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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.