Home / 3,840,401.37-5,299,905.96-2,208,806.73

Finding the Fourth Proportional to 3,840,401.37, 5,299,905.96 and 2,208,806.73

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Solution

The fourth proportional to 3,840,401.37, 5,299,905.96 and 2,208,806.73 is: 3,048,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,401.37 : 5,299,905.96 = 2,208,806.73 : x
  2. Step 2: Convert to fraction form
    3,840,401.37/5,299,905.96 = 2,208,806.73/x
  3. Step 3: Cross multiply
    3,840,401.37x = 5,299,905.96 × 2,208,806.73
  4. Step 4: Simplify right side
    3,840,401.37x = 11,706,467,952,815.11
  5. Step 5: Solve for x
    x = 11,706,467,952,815.11/3,840,401.37
  6. Step 6: Final answer
    x = 3,048,240.75

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Double scale
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1.5x scale

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.