Finding the Fourth Proportional to 2,966,590.44, 4,093,974.90 and 1,819,990.08
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Solution
The fourth proportional to 2,966,590.44, 4,093,974.90 and 1,819,990.08 is: 2,511,635.45
Step by Step Solution
- Step 1: Write the proportion equation
2,966,590.44 : 4,093,974.90 = 1,819,990.08 : x - Step 2: Convert to fraction form
2,966,590.44/4,093,974.90 = 1,819,990.08/x - Step 3: Cross multiply
2,966,590.44x = 4,093,974.90 × 1,819,990.08 - Step 4: Simplify right side
2,966,590.44x = 7,450,993,705,768.99 - Step 5: Solve for x
x = 7,450,993,705,768.99/2,966,590.44 - Step 6: Final answer
x = 2,511,635.45
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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.