Home / 3,085,786.80-4,628,155.32-841,399.92

Finding the Fourth Proportional to 3,085,786.80, 4,628,155.32 and 841,399.92

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Solution

The fourth proportional to 3,085,786.80, 4,628,155.32 and 841,399.92 is: 1,261,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,786.80 : 4,628,155.32 = 841,399.92 : x
  2. Step 2: Convert to fraction form
    3,085,786.80/4,628,155.32 = 841,399.92/x
  3. Step 3: Cross multiply
    3,085,786.80x = 4,628,155.32 × 841,399.92
  4. Step 4: Simplify right side
    3,085,786.80x = 3,894,129,515,995.58
  5. Step 5: Solve for x
    x = 3,894,129,515,995.58/3,085,786.80
  6. Step 6: Final answer
    x = 1,261,956.76

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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.