Finding the Fourth Proportional to 2,198,122.20, 3,297,183.30 and 1,631,251.80
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Solution
The fourth proportional to 2,198,122.20, 3,297,183.30 and 1,631,251.80 is: 2,446,877.70
Step by Step Solution
- Step 1: Write the proportion equation
2,198,122.20 : 3,297,183.30 = 1,631,251.80 : x - Step 2: Convert to fraction form
2,198,122.20/3,297,183.30 = 1,631,251.80/x - Step 3: Cross multiply
2,198,122.20x = 3,297,183.30 × 1,631,251.80 - Step 4: Simplify right side
2,198,122.20x = 5,378,536,193,054.94 - Step 5: Solve for x
x = 5,378,536,193,054.94/2,198,122.20 - Step 6: Final answer
x = 2,446,877.70
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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.