Home / 2,150,268.66-2,967,311.07-1,220,145.80

Finding the Fourth Proportional to 2,150,268.66, 2,967,311.07 and 1,220,145.80

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Solution

The fourth proportional to 2,150,268.66, 2,967,311.07 and 1,220,145.80 is: 1,683,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,268.66 : 2,967,311.07 = 1,220,145.80 : x
  2. Step 2: Convert to fraction form
    2,150,268.66/2,967,311.07 = 1,220,145.80/x
  3. Step 3: Cross multiply
    2,150,268.66x = 2,967,311.07 × 1,220,145.80
  4. Step 4: Simplify right side
    2,150,268.66x = 3,620,552,124,517.45
  5. Step 5: Solve for x
    x = 3,620,552,124,517.45/2,150,268.66
  6. Step 6: Final answer
    x = 1,683,767.33

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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.