Finding the Fourth Proportional to 1,586,343.96, 2,189,160.54 and 861,193.08
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Solution
The fourth proportional to 1,586,343.96, 2,189,160.54 and 861,193.08 is: 1,188,449.64
Step by Step Solution
- Step 1: Write the proportion equation
1,586,343.96 : 2,189,160.54 = 861,193.08 : x - Step 2: Convert to fraction form
1,586,343.96/2,189,160.54 = 861,193.08/x - Step 3: Cross multiply
1,586,343.96x = 2,189,160.54 × 861,193.08 - Step 4: Simplify right side
1,586,343.96x = 1,885,289,908,057.06 - Step 5: Solve for x
x = 1,885,289,908,057.06/1,586,343.96 - Step 6: Final answer
x = 1,188,449.64
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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.