Finding the Fourth Proportional to 5,134,960.14, 7,086,466.34 and 2,843,120.82
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Solution
The fourth proportional to 5,134,960.14, 7,086,466.34 and 2,843,120.82 is: 3,923,629.28
Step by Step Solution
- Step 1: Write the proportion equation
5,134,960.14 : 7,086,466.34 = 2,843,120.82 : x - Step 2: Convert to fraction form
5,134,960.14/7,086,466.34 = 2,843,120.82/x - Step 3: Cross multiply
5,134,960.14x = 7,086,466.34 × 2,843,120.82 - Step 4: Simplify right side
5,134,960.14x = 20,147,679,977,267.59 - Step 5: Solve for x
x = 20,147,679,977,267.59/5,134,960.14 - Step 6: Final answer
x = 3,923,629.28
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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.