Finding the Fourth Proportional to 1,755,902.81, 2,632,644.08 and 691,067.09
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Solution
The fourth proportional to 1,755,902.81, 2,632,644.08 and 691,067.09 is: 1,036,124.37
Step by Step Solution
- Step 1: Write the proportion equation
1,755,902.81 : 2,632,644.08 = 691,067.09 : x - Step 2: Convert to fraction form
1,755,902.81/2,632,644.08 = 691,067.09/x - Step 3: Cross multiply
1,755,902.81x = 2,632,644.08 × 691,067.09 - Step 4: Simplify right side
1,755,902.81x = 1,819,333,689,089.10 - Step 5: Solve for x
x = 1,819,333,689,089.10/1,755,902.81 - Step 6: Final answer
x = 1,036,124.37
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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.