Home / 5,180,620.20-7,770,930.30-3,920,908.20

Finding the Fourth Proportional to 5,180,620.20, 7,770,930.30 and 3,920,908.20

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Solution

The fourth proportional to 5,180,620.20, 7,770,930.30 and 3,920,908.20 is: 5,881,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,620.20 : 7,770,930.30 = 3,920,908.20 : x
  2. Step 2: Convert to fraction form
    5,180,620.20/7,770,930.30 = 3,920,908.20/x
  3. Step 3: Cross multiply
    5,180,620.20x = 7,770,930.30 × 3,920,908.20
  4. Step 4: Simplify right side
    5,180,620.20x = 30,469,104,334,898.46
  5. Step 5: Solve for x
    x = 30,469,104,334,898.46/5,180,620.20
  6. Step 6: Final answer
    x = 5,881,362.30

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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.