Home / 4,918,960.92-7,378,231.98-1,680,789.54

Finding the Fourth Proportional to 4,918,960.92, 7,378,231.98 and 1,680,789.54

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Solution

The fourth proportional to 4,918,960.92, 7,378,231.98 and 1,680,789.54 is: 2,521,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,960.92 : 7,378,231.98 = 1,680,789.54 : x
  2. Step 2: Convert to fraction form
    4,918,960.92/7,378,231.98 = 1,680,789.54/x
  3. Step 3: Cross multiply
    4,918,960.92x = 7,378,231.98 × 1,680,789.54
  4. Step 4: Simplify right side
    4,918,960.92x = 12,401,255,135,677.49
  5. Step 5: Solve for x
    x = 12,401,255,135,677.49/4,918,960.92
  6. Step 6: Final answer
    x = 2,521,112.76

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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.