Home / 3,967,889.40-5,470,471.62-2,864,390.76

Finding the Fourth Proportional to 3,967,889.40, 5,470,471.62 and 2,864,390.76

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Solution

The fourth proportional to 3,967,889.40, 5,470,471.62 and 2,864,390.76 is: 3,949,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,889.40 : 5,470,471.62 = 2,864,390.76 : x
  2. Step 2: Convert to fraction form
    3,967,889.40/5,470,471.62 = 2,864,390.76/x
  3. Step 3: Cross multiply
    3,967,889.40x = 5,470,471.62 × 2,864,390.76
  4. Step 4: Simplify right side
    3,967,889.40x = 15,669,568,361,170.23
  5. Step 5: Solve for x
    x = 15,669,568,361,170.23/3,967,889.40
  6. Step 6: Final answer
    x = 3,949,094.04

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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.