Finding the Fourth Proportional to 3,215,824.19, 4,437,845.10 and 1,765,613.09
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Solution
The fourth proportional to 3,215,824.19, 4,437,845.10 and 1,765,613.09 is: 2,436,550.30
Step by Step Solution
- Step 1: Write the proportion equation
3,215,824.19 : 4,437,845.10 = 1,765,613.09 : x - Step 2: Convert to fraction form
3,215,824.19/4,437,845.10 = 1,765,613.09/x - Step 3: Cross multiply
3,215,824.19x = 4,437,845.10 × 1,765,613.09 - Step 4: Simplify right side
3,215,824.19x = 7,835,517,377,763.13 - Step 5: Solve for x
x = 7,835,517,377,763.13/3,215,824.19 - Step 6: Final answer
x = 2,436,550.30
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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.