Finding the Fourth Proportional to 4,193,857.61, 6,292,608.05 and 2,276,123.70
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Solution
The fourth proportional to 4,193,857.61, 6,292,608.05 and 2,276,123.70 is: 3,415,174.19
Step by Step Solution
- Step 1: Write the proportion equation
4,193,857.61 : 6,292,608.05 = 2,276,123.70 : x - Step 2: Convert to fraction form
4,193,857.61/6,292,608.05 = 2,276,123.70/x - Step 3: Cross multiply
4,193,857.61x = 6,292,608.05 × 2,276,123.70 - Step 4: Simplify right side
4,193,857.61x = 14,322,754,296,904.14 - Step 5: Solve for x
x = 14,322,754,296,904.14/4,193,857.61 - Step 6: Final answer
x = 3,415,174.19
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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.