Home / 6,928,229.62-10,391,119.71-1,879,933.78

Finding the Fourth Proportional to 6,928,229.62, 10,391,119.71 and 1,879,933.78

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Solution

The fourth proportional to 6,928,229.62, 10,391,119.71 and 1,879,933.78 is: 2,819,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928,229.62 : 10,391,119.71 = 1,879,933.78 : x
  2. Step 2: Convert to fraction form
    6,928,229.62/10,391,119.71 = 1,879,933.78/x
  3. Step 3: Cross multiply
    6,928,229.62x = 10,391,119.71 × 1,879,933.78
  4. Step 4: Simplify right side
    6,928,229.62x = 19,534,616,954,852.80
  5. Step 5: Solve for x
    x = 19,534,616,954,852.80/6,928,229.62
  6. Step 6: Final answer
    x = 2,819,568.35

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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.