Finding the Fourth Proportional to 5,654,029.40, 8,481,133.92 and 1,394,198.84
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Solution
The fourth proportional to 5,654,029.40, 8,481,133.92 and 1,394,198.84 is: 2,091,320.41
Step by Step Solution
- Step 1: Write the proportion equation
5,654,029.40 : 8,481,133.92 = 1,394,198.84 : x - Step 2: Convert to fraction form
5,654,029.40/8,481,133.92 = 1,394,198.84/x - Step 3: Cross multiply
5,654,029.40x = 8,481,133.92 × 1,394,198.84 - Step 4: Simplify right side
5,654,029.40x = 11,824,387,073,148.65 - Step 5: Solve for x
x = 11,824,387,073,148.65/5,654,029.40 - Step 6: Final answer
x = 2,091,320.41
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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.