Finding the Fourth Proportional to 6,324,247.85, 8,727,464.88 and 3,423,638.66
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Solution
The fourth proportional to 6,324,247.85, 8,727,464.88 and 3,423,638.66 is: 4,724,622.89
Step by Step Solution
- Step 1: Write the proportion equation
6,324,247.85 : 8,727,464.88 = 3,423,638.66 : x - Step 2: Convert to fraction form
6,324,247.85/8,727,464.88 = 3,423,638.66/x - Step 3: Cross multiply
6,324,247.85x = 8,727,464.88 × 3,423,638.66 - Step 4: Simplify right side
6,324,247.85x = 29,879,686,123,322.94 - Step 5: Solve for x
x = 29,879,686,123,322.94/6,324,247.85 - Step 6: Final answer
x = 4,724,622.89
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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.