Finding the Fourth Proportional to 4,471,366.20, 6,699,176.10 and 3,668,299.80
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Solution
The fourth proportional to 4,471,366.20, 6,699,176.10 and 3,668,299.80 is: 5,495,990.54
Step by Step Solution
- Step 1: Write the proportion equation
4,471,366.20 : 6,699,176.10 = 3,668,299.80 : x - Step 2: Convert to fraction form
4,471,366.20/6,699,176.10 = 3,668,299.80/x - Step 3: Cross multiply
4,471,366.20x = 6,699,176.10 × 3,668,299.80 - Step 4: Simplify right side
4,471,366.20x = 24,574,586,347,794.78 - Step 5: Solve for x
x = 24,574,586,347,794.78/4,471,366.20 - Step 6: Final answer
x = 5,495,990.54
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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.