Finding the Fourth Proportional to 5,536,757.40, 8,299,231.20 and 2,123,725.20
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Solution
The fourth proportional to 5,536,757.40, 8,299,231.20 and 2,123,725.20 is: 3,183,322.87
Step by Step Solution
- Step 1: Write the proportion equation
5,536,757.40 : 8,299,231.20 = 2,123,725.20 : x - Step 2: Convert to fraction form
5,536,757.40/8,299,231.20 = 2,123,725.20/x - Step 3: Cross multiply
5,536,757.40x = 8,299,231.20 × 2,123,725.20 - Step 4: Simplify right side
5,536,757.40x = 17,625,286,440,066.24 - Step 5: Solve for x
x = 17,625,286,440,066.24/5,536,757.40 - Step 6: Final answer
x = 3,183,322.87
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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.