Finding the Fourth Proportional to 5,867,870.91, 8,095,747.68 and 3,419,922.12
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Solution
The fourth proportional to 5,867,870.91, 8,095,747.68 and 3,419,922.12 is: 4,718,376.90
Step by Step Solution
- Step 1: Write the proportion equation
5,867,870.91 : 8,095,747.68 = 3,419,922.12 : x - Step 2: Convert to fraction form
5,867,870.91/8,095,747.68 = 3,419,922.12/x - Step 3: Cross multiply
5,867,870.91x = 8,095,747.68 × 3,419,922.12 - Step 4: Simplify right side
5,867,870.91x = 27,686,826,568,770.68 - Step 5: Solve for x
x = 27,686,826,568,770.68/5,867,870.91 - Step 6: Final answer
x = 4,718,376.90
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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.