Finding the Fourth Proportional to 1,660,654.48, 2,481,882.76 and 1,212,319.44
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Solution
The fourth proportional to 1,660,654.48, 2,481,882.76 and 1,212,319.44 is: 1,811,836.69
Step by Step Solution
- Step 1: Write the proportion equation
1,660,654.48 : 2,481,882.76 = 1,212,319.44 : x - Step 2: Convert to fraction form
1,660,654.48/2,481,882.76 = 1,212,319.44/x - Step 3: Cross multiply
1,660,654.48x = 2,481,882.76 × 1,212,319.44 - Step 4: Simplify right side
1,660,654.48x = 3,008,834,717,748.85 - Step 5: Solve for x
x = 3,008,834,717,748.85/1,660,654.48 - Step 6: Final answer
x = 1,811,836.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.