Finding the Fourth Proportional to 5,394,034.20, 7,443,992.94 and 3,102,196.44
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Solution
The fourth proportional to 5,394,034.20, 7,443,992.94 and 3,102,196.44 is: 4,281,160.92
Step by Step Solution
- Step 1: Write the proportion equation
5,394,034.20 : 7,443,992.94 = 3,102,196.44 : x - Step 2: Convert to fraction form
5,394,034.20/7,443,992.94 = 3,102,196.44/x - Step 3: Cross multiply
5,394,034.20x = 7,443,992.94 × 3,102,196.44 - Step 4: Simplify right side
5,394,034.20x = 23,092,728,397,853.13 - Step 5: Solve for x
x = 23,092,728,397,853.13/5,394,034.20 - Step 6: Final answer
x = 4,281,160.92
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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.