Finding the Fourth Proportional to 2,099,996.70, 3,145,329.45 and 1,726,748.70
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Solution
The fourth proportional to 2,099,996.70, 3,145,329.45 and 1,726,748.70 is: 2,586,286.70
Step by Step Solution
- Step 1: Write the proportion equation
2,099,996.70 : 3,145,329.45 = 1,726,748.70 : x - Step 2: Convert to fraction form
2,099,996.70/3,145,329.45 = 1,726,748.70/x - Step 3: Cross multiply
2,099,996.70x = 3,145,329.45 × 1,726,748.70 - Step 4: Simplify right side
2,099,996.70x = 5,431,193,538,859.22 - Step 5: Solve for x
x = 5,431,193,538,859.22/2,099,996.70 - Step 6: Final answer
x = 2,586,286.70
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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.