Finding the Fourth Proportional to 1,670,243.70, 2,505,343.68 and 408,082.26
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Solution
The fourth proportional to 1,670,243.70, 2,505,343.68 and 408,082.26 is: 612,118.05
Step by Step Solution
- Step 1: Write the proportion equation
1,670,243.70 : 2,505,343.68 = 408,082.26 : x - Step 2: Convert to fraction form
1,670,243.70/2,505,343.68 = 408,082.26/x - Step 3: Cross multiply
1,670,243.70x = 2,505,343.68 × 408,082.26 - Step 4: Simplify right side
1,670,243.70x = 1,022,386,311,011.12 - Step 5: Solve for x
x = 1,022,386,311,011.12/1,670,243.70 - Step 6: Final answer
x = 612,118.05
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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.