Finding the Fourth Proportional to 2,141,748.53, 3,212,633.87 and 721,816.91
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Solution
The fourth proportional to 2,141,748.53, 3,212,633.87 and 721,816.91 is: 1,082,729.09
Step by Step Solution
- Step 1: Write the proportion equation
2,141,748.53 : 3,212,633.87 = 721,816.91 : x - Step 2: Convert to fraction form
2,141,748.53/3,212,633.87 = 721,816.91/x - Step 3: Cross multiply
2,141,748.53x = 3,212,633.87 × 721,816.91 - Step 4: Simplify right side
2,141,748.53x = 2,318,933,433,332.49 - Step 5: Solve for x
x = 2,318,933,433,332.49/2,141,748.53 - Step 6: Final answer
x = 1,082,729.09
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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.