Finding the Fourth Proportional to 5,476,205.70, 8,218,974.15 and 2,448,231.30
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Solution
The fourth proportional to 5,476,205.70, 8,218,974.15 and 2,448,231.30 is: 3,674,432.79
Step by Step Solution
- Step 1: Write the proportion equation
5,476,205.70 : 8,218,974.15 = 2,448,231.30 : x - Step 2: Convert to fraction form
5,476,205.70/8,218,974.15 = 2,448,231.30/x - Step 3: Cross multiply
5,476,205.70x = 8,218,974.15 × 2,448,231.30 - Step 4: Simplify right side
5,476,205.70x = 20,121,949,767,920.89 - Step 5: Solve for x
x = 20,121,949,767,920.89/5,476,205.70 - Step 6: Final answer
x = 3,674,432.79
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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.