Finding the Fourth Proportional to 3,239,996.68, 4,471,177.62 and 1,789,791.88
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Solution
The fourth proportional to 3,239,996.68, 4,471,177.62 and 1,789,791.88 is: 2,469,902.96
Step by Step Solution
- Step 1: Write the proportion equation
3,239,996.68 : 4,471,177.62 = 1,789,791.88 : x - Step 2: Convert to fraction form
3,239,996.68/4,471,177.62 = 1,789,791.88/x - Step 3: Cross multiply
3,239,996.68x = 4,471,177.62 × 1,789,791.88 - Step 4: Simplify right side
3,239,996.68x = 8,002,477,398,313.73 - Step 5: Solve for x
x = 8,002,477,398,313.73/3,239,996.68 - Step 6: Final answer
x = 2,469,902.96
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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.