Finding the Fourth Proportional to 5,646,608.17, 7,791,686.79 and 3,198,694.96
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Solution
The fourth proportional to 5,646,608.17, 7,791,686.79 and 3,198,694.96 is: 4,413,840.75
Step by Step Solution
- Step 1: Write the proportion equation
5,646,608.17 : 7,791,686.79 = 3,198,694.96 : x - Step 2: Convert to fraction form
5,646,608.17/7,791,686.79 = 3,198,694.96/x - Step 3: Cross multiply
5,646,608.17x = 7,791,686.79 × 3,198,694.96 - Step 4: Simplify right side
5,646,608.17x = 24,923,229,226,113.14 - Step 5: Solve for x
x = 24,923,229,226,113.14/5,646,608.17 - Step 6: Final answer
x = 4,413,840.75
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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.