Finding the Fourth Proportional to 1,517,187.51, 2,093,717.16 and 872,591.13
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Solution
The fourth proportional to 1,517,187.51, 2,093,717.16 and 872,591.13 is: 1,204,174.84
Step by Step Solution
- Step 1: Write the proportion equation
1,517,187.51 : 2,093,717.16 = 872,591.13 : x - Step 2: Convert to fraction form
1,517,187.51/2,093,717.16 = 872,591.13/x - Step 3: Cross multiply
1,517,187.51x = 2,093,717.16 × 872,591.13 - Step 4: Simplify right side
1,517,187.51x = 1,826,959,022,544.79 - Step 5: Solve for x
x = 1,826,959,022,544.79/1,517,187.51 - Step 6: Final answer
x = 1,204,174.84
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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.