Finding the Fourth Proportional to 5,741,474.54, 7,921,590.82 and 3,416,423.81
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Solution
The fourth proportional to 5,741,474.54, 7,921,590.82 and 3,416,423.81 is: 4,713,686.58
Step by Step Solution
- Step 1: Write the proportion equation
5,741,474.54 : 7,921,590.82 = 3,416,423.81 : x - Step 2: Convert to fraction form
5,741,474.54/7,921,590.82 = 3,416,423.81/x - Step 3: Cross multiply
5,741,474.54x = 7,921,590.82 × 3,416,423.81 - Step 4: Simplify right side
5,741,474.54x = 27,063,511,442,376.41 - Step 5: Solve for x
x = 27,063,511,442,376.41/5,741,474.54 - Step 6: Final answer
x = 4,713,686.58
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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.