Finding the Fourth Proportional to 1,391,394.27, 2,086,845.36 and 633,057.48
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Solution
The fourth proportional to 1,391,394.27, 2,086,845.36 and 633,057.48 is: 949,474.27
Step by Step Solution
- Step 1: Write the proportion equation
1,391,394.27 : 2,086,845.36 = 633,057.48 : x - Step 2: Convert to fraction form
1,391,394.27/2,086,845.36 = 633,057.48/x - Step 3: Cross multiply
1,391,394.27x = 2,086,845.36 × 633,057.48 - Step 4: Simplify right side
1,391,394.27x = 1,321,093,064,751.29 - Step 5: Solve for x
x = 1,321,093,064,751.29/1,391,394.27 - Step 6: Final answer
x = 949,474.27
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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.