Home / 3,131,559.19-4,321,559.86-1,825,586.65

Finding the Fourth Proportional to 3,131,559.19, 4,321,559.86 and 1,825,586.65

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Solution

The fourth proportional to 3,131,559.19, 4,321,559.86 and 1,825,586.65 is: 2,519,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,559.19 : 4,321,559.86 = 1,825,586.65 : x
  2. Step 2: Convert to fraction form
    3,131,559.19/4,321,559.86 = 1,825,586.65/x
  3. Step 3: Cross multiply
    3,131,559.19x = 4,321,559.86 × 1,825,586.65
  4. Step 4: Simplify right side
    3,131,559.19x = 7,889,382,000,677.75
  5. Step 5: Solve for x
    x = 7,889,382,000,677.75/3,131,559.19
  6. Step 6: Final answer
    x = 2,519,314.35

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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.