Finding the Fourth Proportional to 3,443,609.60, 5,163,571.20 and 1,446,809.60
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Solution
The fourth proportional to 3,443,609.60, 5,163,571.20 and 1,446,809.60 is: 2,169,439.99
Step by Step Solution
- Step 1: Write the proportion equation
3,443,609.60 : 5,163,571.20 = 1,446,809.60 : x - Step 2: Convert to fraction form
3,443,609.60/5,163,571.20 = 1,446,809.60/x - Step 3: Cross multiply
3,443,609.60x = 5,163,571.20 × 1,446,809.60 - Step 4: Simplify right side
3,443,609.60x = 7,470,704,382,443.52 - Step 5: Solve for x
x = 7,470,704,382,443.52/3,443,609.60 - Step 6: Final answer
x = 2,169,439.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.