Finding the Fourth Proportional to 5,646,608.24, 7,791,686.87 and 3,198,695.03
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Solution
The fourth proportional to 5,646,608.24, 7,791,686.87 and 3,198,695.03 is: 4,413,840.84
Step by Step Solution
- Step 1: Write the proportion equation
5,646,608.24 : 7,791,686.87 = 3,198,695.03 : x - Step 2: Convert to fraction form
5,646,608.24/7,791,686.87 = 3,198,695.03/x - Step 3: Cross multiply
5,646,608.24x = 7,791,686.87 × 3,198,695.03 - Step 4: Simplify right side
5,646,608.24x = 24,923,230,011,433.35 - Step 5: Solve for x
x = 24,923,230,011,433.35/5,646,608.24 - Step 6: Final answer
x = 4,413,840.84
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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.