Finding the Fourth Proportional to 3,617,674.44, 4,992,449.30 and 1,986,232.20
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Solution
The fourth proportional to 3,617,674.44, 4,992,449.30 and 1,986,232.20 is: 2,741,032.59
Step by Step Solution
- Step 1: Write the proportion equation
3,617,674.44 : 4,992,449.30 = 1,986,232.20 : x - Step 2: Convert to fraction form
3,617,674.44/4,992,449.30 = 1,986,232.20/x - Step 3: Cross multiply
3,617,674.44x = 4,992,449.30 × 1,986,232.20 - Step 4: Simplify right side
3,617,674.44x = 9,916,163,556,527.46 - Step 5: Solve for x
x = 9,916,163,556,527.46/3,617,674.44 - Step 6: Final answer
x = 2,741,032.59
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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.