Home / 3,790,968.91-5,231,529.52-2,159,375.65

Finding the Fourth Proportional to 3,790,968.91, 5,231,529.52 and 2,159,375.65

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Solution

The fourth proportional to 3,790,968.91, 5,231,529.52 and 2,159,375.65 is: 2,979,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790,968.91 : 5,231,529.52 = 2,159,375.65 : x
  2. Step 2: Convert to fraction form
    3,790,968.91/5,231,529.52 = 2,159,375.65/x
  3. Step 3: Cross multiply
    3,790,968.91x = 5,231,529.52 × 2,159,375.65
  4. Step 4: Simplify right side
    3,790,968.91x = 11,296,837,457,744.19
  5. Step 5: Solve for x
    x = 11,296,837,457,744.19/3,790,968.91
  6. Step 6: Final answer
    x = 2,979,934.08

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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.