Home / 2,277,939.23-3,143,561.78-1,245,513.63

Finding the Fourth Proportional to 2,277,939.23, 3,143,561.78 and 1,245,513.63

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Solution

The fourth proportional to 2,277,939.23, 3,143,561.78 and 1,245,513.63 is: 1,718,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,939.23 : 3,143,561.78 = 1,245,513.63 : x
  2. Step 2: Convert to fraction form
    2,277,939.23/3,143,561.78 = 1,245,513.63/x
  3. Step 3: Cross multiply
    2,277,939.23x = 3,143,561.78 × 1,245,513.63
  4. Step 4: Simplify right side
    2,277,939.23x = 3,915,349,054,709.75
  5. Step 5: Solve for x
    x = 3,915,349,054,709.75/2,277,939.23
  6. Step 6: Final answer
    x = 1,718,811.90

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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.