Finding the Fourth Proportional to 5,702,621.38, 7,867,679.98 and 3,253,472.98
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Solution
The fourth proportional to 5,702,621.38, 7,867,679.98 and 3,253,472.98 is: 4,488,687.31
Step by Step Solution
- Step 1: Write the proportion equation
5,702,621.38 : 7,867,679.98 = 3,253,472.98 : x - Step 2: Convert to fraction form
5,702,621.38/7,867,679.98 = 3,253,472.98/x - Step 3: Cross multiply
5,702,621.38x = 7,867,679.98 × 3,253,472.98 - Step 4: Simplify right side
5,702,621.38x = 25,597,284,174,611.18 - Step 5: Solve for x
x = 25,597,284,174,611.18/5,702,621.38 - Step 6: Final answer
x = 4,488,687.31
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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.