Home / 3,906,763.28-5,858,939.64-1,381,837.76

Finding the Fourth Proportional to 3,906,763.28, 5,858,939.64 and 1,381,837.76

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Solution

The fourth proportional to 3,906,763.28, 5,858,939.64 and 1,381,837.76 is: 2,072,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,763.28 : 5,858,939.64 = 1,381,837.76 : x
  2. Step 2: Convert to fraction form
    3,906,763.28/5,858,939.64 = 1,381,837.76/x
  3. Step 3: Cross multiply
    3,906,763.28x = 5,858,939.64 × 1,381,837.76
  4. Step 4: Simplify right side
    3,906,763.28x = 8,096,104,028,112.81
  5. Step 5: Solve for x
    x = 8,096,104,028,112.81/3,906,763.28
  6. Step 6: Final answer
    x = 2,072,330.33

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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.