Finding the Fourth Proportional to 1,586,186.92, 2,188,940.70 and 861,035.14
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Solution
The fourth proportional to 1,586,186.92, 2,188,940.70 and 861,035.14 is: 1,188,229.99
Step by Step Solution
- Step 1: Write the proportion equation
1,586,186.92 : 2,188,940.70 = 861,035.14 : x - Step 2: Convert to fraction form
1,586,186.92/2,188,940.70 = 861,035.14/x - Step 3: Cross multiply
1,586,186.92x = 2,188,940.70 × 861,035.14 - Step 4: Simplify right side
1,586,186.92x = 1,884,754,862,076.20 - Step 5: Solve for x
x = 1,884,754,862,076.20/1,586,186.92 - Step 6: Final answer
x = 1,188,229.99
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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.