Home / 3,786,606.71-5,679,910.19-946,718.87

Finding the Fourth Proportional to 3,786,606.71, 5,679,910.19 and 946,718.87

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Solution

The fourth proportional to 3,786,606.71, 5,679,910.19 and 946,718.87 is: 1,420,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,606.71 : 5,679,910.19 = 946,718.87 : x
  2. Step 2: Convert to fraction form
    3,786,606.71/5,679,910.19 = 946,718.87/x
  3. Step 3: Cross multiply
    3,786,606.71x = 5,679,910.19 × 946,718.87
  4. Step 4: Simplify right side
    3,786,606.71x = 5,377,278,150,048.26
  5. Step 5: Solve for x
    x = 5,377,278,150,048.26/3,786,606.71
  6. Step 6: Final answer
    x = 1,420,078.33

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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.