Finding the Fourth Proportional to 5,369,092.75, 7,409,349.21 and 2,954,644.75
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Solution
The fourth proportional to 5,369,092.75, 7,409,349.21 and 2,954,644.75 is: 4,077,410.42
Step by Step Solution
- Step 1: Write the proportion equation
5,369,092.75 : 7,409,349.21 = 2,954,644.75 : x - Step 2: Convert to fraction form
5,369,092.75/7,409,349.21 = 2,954,644.75/x - Step 3: Cross multiply
5,369,092.75x = 7,409,349.21 × 2,954,644.75 - Step 4: Simplify right side
5,369,092.75x = 21,891,994,744,243.15 - Step 5: Solve for x
x = 21,891,994,744,243.15/5,369,092.75 - Step 6: Final answer
x = 4,077,410.42
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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.