Finding the Fourth Proportional to 6,202,902.21, 8,560,009.92 and 3,449,529.55
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Solution
The fourth proportional to 6,202,902.21, 8,560,009.92 and 3,449,529.55 is: 4,760,353.49
Step by Step Solution
- Step 1: Write the proportion equation
6,202,902.21 : 8,560,009.92 = 3,449,529.55 : x - Step 2: Convert to fraction form
6,202,902.21/8,560,009.92 = 3,449,529.55/x - Step 3: Cross multiply
6,202,902.21x = 8,560,009.92 × 3,449,529.55 - Step 4: Simplify right side
6,202,902.21x = 29,528,007,167,333.13 - Step 5: Solve for x
x = 29,528,007,167,333.13/6,202,902.21 - Step 6: Final answer
x = 4,760,353.49
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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.