Finding the Fourth Proportional to 1,511,109.14, 2,085,367.97 and 822,818.70
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Solution
The fourth proportional to 1,511,109.14, 2,085,367.97 and 822,818.70 is: 1,135,510.15
Step by Step Solution
- Step 1: Write the proportion equation
1,511,109.14 : 2,085,367.97 = 822,818.70 : x - Step 2: Convert to fraction form
1,511,109.14/2,085,367.97 = 822,818.70/x - Step 3: Cross multiply
1,511,109.14x = 2,085,367.97 × 822,818.70 - Step 4: Simplify right side
1,511,109.14x = 1,715,879,764,154.09 - Step 5: Solve for x
x = 1,715,879,764,154.09/1,511,109.14 - Step 6: Final answer
x = 1,135,510.15
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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.