Finding the Fourth Proportional to 2,192,789.67, 3,289,410.07 and 827,713.20
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Solution
The fourth proportional to 2,192,789.67, 3,289,410.07 and 827,713.20 is: 1,241,654.94
Step by Step Solution
- Step 1: Write the proportion equation
2,192,789.67 : 3,289,410.07 = 827,713.20 : x - Step 2: Convert to fraction form
2,192,789.67/3,289,410.07 = 827,713.20/x - Step 3: Cross multiply
2,192,789.67x = 3,289,410.07 × 827,713.20 - Step 4: Simplify right side
2,192,789.67x = 2,722,688,135,151.92 - Step 5: Solve for x
x = 2,722,688,135,151.92/2,192,789.67 - Step 6: Final answer
x = 1,241,654.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.