Finding the Fourth Proportional to 1,511,119.26, 2,085,381.95 and 822,828.83
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Solution
The fourth proportional to 1,511,119.26, 2,085,381.95 and 822,828.83 is: 1,135,524.12
Step by Step Solution
- Step 1: Write the proportion equation
1,511,119.26 : 2,085,381.95 = 822,828.83 : x - Step 2: Convert to fraction form
1,511,119.26/2,085,381.95 = 822,828.83/x - Step 3: Cross multiply
1,511,119.26x = 2,085,381.95 × 822,828.83 - Step 4: Simplify right side
1,511,119.26x = 1,715,912,375,480.56 - Step 5: Solve for x
x = 1,715,912,375,480.56/1,511,119.26 - Step 6: Final answer
x = 1,135,524.12
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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.