Finding the Fourth Proportional to 3,936,975.44, 5,904,902.42 and 1,240,950.28
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Solution
The fourth proportional to 3,936,975.44, 5,904,902.42 and 1,240,950.28 is: 1,861,248.67
Step by Step Solution
- Step 1: Write the proportion equation
3,936,975.44 : 5,904,902.42 = 1,240,950.28 : x - Step 2: Convert to fraction form
3,936,975.44/5,904,902.42 = 1,240,950.28/x - Step 3: Cross multiply
3,936,975.44x = 5,904,902.42 × 1,240,950.28 - Step 4: Simplify right side
3,936,975.44x = 7,327,690,311,471.68 - Step 5: Solve for x
x = 7,327,690,311,471.68/3,936,975.44 - Step 6: Final answer
x = 1,861,248.67
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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.