Finding the Fourth Proportional to 3,763,489.68, 5,193,241 and 2,131,571.28
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Solution
The fourth proportional to 3,763,489.68, 5,193,241 and 2,131,571.28 is: 2,941,356.11
Step by Step Solution
- Step 1: Write the proportion equation
3,763,489.68 : 5,193,241 = 2,131,571.28 : x - Step 2: Convert to fraction form
3,763,489.68/5,193,241 = 2,131,571.28/x - Step 3: Cross multiply
3,763,489.68x = 5,193,241 × 2,131,571.28 - Step 4: Simplify right side
3,763,489.68x = 11,069,763,365,718.48 - Step 5: Solve for x
x = 11,069,763,365,718.48/3,763,489.68 - Step 6: Final answer
x = 2,941,356.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.