Home / 2,250,728.39-3,106,004.81-1,218,235.88

Finding the Fourth Proportional to 2,250,728.39, 3,106,004.81 and 1,218,235.88

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Solution

The fourth proportional to 2,250,728.39, 3,106,004.81 and 1,218,235.88 is: 1,681,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,728.39 : 3,106,004.81 = 1,218,235.88 : x
  2. Step 2: Convert to fraction form
    2,250,728.39/3,106,004.81 = 1,218,235.88/x
  3. Step 3: Cross multiply
    2,250,728.39x = 3,106,004.81 × 1,218,235.88
  4. Step 4: Simplify right side
    2,250,728.39x = 3,783,846,504,668.42
  5. Step 5: Solve for x
    x = 3,783,846,504,668.42/2,250,728.39
  6. Step 6: Final answer
    x = 1,681,165.32

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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.