Finding the Fourth Proportional to 5,911,872.67, 8,158,380.64 and 3,195,618.67
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Solution
The fourth proportional to 5,911,872.67, 8,158,380.64 and 3,195,618.67 is: 4,409,951.79
Step by Step Solution
- Step 1: Write the proportion equation
5,911,872.67 : 8,158,380.64 = 3,195,618.67 : x - Step 2: Convert to fraction form
5,911,872.67/8,158,380.64 = 3,195,618.67/x - Step 3: Cross multiply
5,911,872.67x = 8,158,380.64 × 3,195,618.67 - Step 4: Simplify right side
5,911,872.67x = 26,071,073,490,150.55 - Step 5: Solve for x
x = 26,071,073,490,150.55/5,911,872.67 - Step 6: Final answer
x = 4,409,951.79
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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.