Finding the Fourth Proportional to 1,755,757.61, 2,633,444.97 and 1,190,768.03
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Solution
The fourth proportional to 1,755,757.61, 2,633,444.97 and 1,190,768.03 is: 1,786,022.21
Step by Step Solution
- Step 1: Write the proportion equation
1,755,757.61 : 2,633,444.97 = 1,190,768.03 : x - Step 2: Convert to fraction form
1,755,757.61/2,633,444.97 = 1,190,768.03/x - Step 3: Cross multiply
1,755,757.61x = 2,633,444.97 × 1,190,768.03 - Step 4: Simplify right side
1,755,757.61x = 3,135,822,079,040.31 - Step 5: Solve for x
x = 3,135,822,079,040.31/1,755,757.61 - Step 6: Final answer
x = 1,786,022.21
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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.