Finding the Fourth Proportional to 2,614,578.63, 3,922,093.88 and 721,320.06
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Solution
The fourth proportional to 2,614,578.63, 3,922,093.88 and 721,320.06 is: 1,082,042.42
Step by Step Solution
- Step 1: Write the proportion equation
2,614,578.63 : 3,922,093.88 = 721,320.06 : x - Step 2: Convert to fraction form
2,614,578.63/3,922,093.88 = 721,320.06/x - Step 3: Cross multiply
2,614,578.63x = 3,922,093.88 × 721,320.06 - Step 4: Simplify right side
2,614,578.63x = 2,829,084,992,847.23 - Step 5: Solve for x
x = 2,829,084,992,847.23/2,614,578.63 - Step 6: Final answer
x = 1,082,042.42
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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.