Finding the Fourth Proportional to 2,958,648.62, 4,082,895.20 and 1,651,920.68
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Solution
The fourth proportional to 2,958,648.62, 4,082,895.20 and 1,651,920.68 is: 2,279,628.26
Step by Step Solution
- Step 1: Write the proportion equation
2,958,648.62 : 4,082,895.20 = 1,651,920.68 : x - Step 2: Convert to fraction form
2,958,648.62/4,082,895.20 = 1,651,920.68/x - Step 3: Cross multiply
2,958,648.62x = 4,082,895.20 × 1,651,920.68 - Step 4: Simplify right side
2,958,648.62x = 6,744,618,986,478.66 - Step 5: Solve for x
x = 6,744,618,986,478.66/2,958,648.62 - Step 6: Final answer
x = 2,279,628.26
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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.