Finding the Fourth Proportional to 1,986,344.44, 2,741,450.57 and 1,170,287.26
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Solution
The fourth proportional to 1,986,344.44, 2,741,450.57 and 1,170,287.26 is: 1,615,170.36
Step by Step Solution
- Step 1: Write the proportion equation
1,986,344.44 : 2,741,450.57 = 1,170,287.26 : x - Step 2: Convert to fraction form
1,986,344.44/2,741,450.57 = 1,170,287.26/x - Step 3: Cross multiply
1,986,344.44x = 2,741,450.57 × 1,170,287.26 - Step 4: Simplify right side
1,986,344.44x = 3,208,284,667,674.25 - Step 5: Solve for x
x = 3,208,284,667,674.25/1,986,344.44 - Step 6: Final answer
x = 1,615,170.36
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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.