Finding the Fourth Proportional to 5,654,028.40, 8,481,132.42 and 1,394,197.84
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Solution
The fourth proportional to 5,654,028.40, 8,481,132.42 and 1,394,197.84 is: 2,091,318.91
Step by Step Solution
- Step 1: Write the proportion equation
5,654,028.40 : 8,481,132.42 = 1,394,197.84 : x - Step 2: Convert to fraction form
5,654,028.40/8,481,132.42 = 1,394,197.84/x - Step 3: Cross multiply
5,654,028.40x = 8,481,132.42 × 1,394,197.84 - Step 4: Simplify right side
5,654,028.40x = 11,824,376,500,717.97 - Step 5: Solve for x
x = 11,824,376,500,717.97/5,654,028.40 - Step 6: Final answer
x = 2,091,318.91
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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.