Finding the Fourth Proportional to 1,586,375.09, 2,189,224.05 and 861,222.97
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Solution
The fourth proportional to 1,586,375.09, 2,189,224.05 and 861,222.97 is: 1,188,502.04
Step by Step Solution
- Step 1: Write the proportion equation
1,586,375.09 : 2,189,224.05 = 861,222.97 : x - Step 2: Convert to fraction form
1,586,375.09/2,189,224.05 = 861,222.97/x - Step 3: Cross multiply
1,586,375.09x = 2,189,224.05 × 861,222.97 - Step 4: Simplify right side
1,586,375.09x = 1,885,410,038,336.43 - Step 5: Solve for x
x = 1,885,410,038,336.43/1,586,375.09 - Step 6: Final answer
x = 1,188,502.04
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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.