Finding the Fourth Proportional to 3,986,072.37, 5,976,212.00 and 1,589,198.13
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Solution
The fourth proportional to 3,986,072.37, 5,976,212.00 and 1,589,198.13 is: 2,382,642.37
Step by Step Solution
- Step 1: Write the proportion equation
3,986,072.37 : 5,976,212.00 = 1,589,198.13 : x - Step 2: Convert to fraction form
3,986,072.37/5,976,212.00 = 1,589,198.13/x - Step 3: Cross multiply
3,986,072.37x = 5,976,212.00 × 1,589,198.13 - Step 4: Simplify right side
3,986,072.37x = 9,497,384,926,937.57 - Step 5: Solve for x
x = 9,497,384,926,937.57/3,986,072.37 - Step 6: Final answer
x = 2,382,642.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.