Home / 3,131,558.51-4,321,558.91-1,825,585.97

Finding the Fourth Proportional to 3,131,558.51, 4,321,558.91 and 1,825,585.97

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Solution

The fourth proportional to 3,131,558.51, 4,321,558.91 and 1,825,585.97 is: 2,519,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,558.51 : 4,321,558.91 = 1,825,585.97 : x
  2. Step 2: Convert to fraction form
    3,131,558.51/4,321,558.91 = 1,825,585.97/x
  3. Step 3: Cross multiply
    3,131,558.51x = 4,321,558.91 × 1,825,585.97
  4. Step 4: Simplify right side
    3,131,558.51x = 7,889,377,297,580.66
  5. Step 5: Solve for x
    x = 7,889,377,297,580.66/3,131,558.51
  6. Step 6: Final answer
    x = 2,519,313.40

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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.