Finding the Fourth Proportional to 2,910,857.14, 4,345,818.80 and 2,224,150.07
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Solution
The fourth proportional to 2,910,857.14, 4,345,818.80 and 2,224,150.07 is: 3,320,586.60
Step by Step Solution
- Step 1: Write the proportion equation
2,910,857.14 : 4,345,818.80 = 2,224,150.07 : x - Step 2: Convert to fraction form
2,910,857.14/4,345,818.80 = 2,224,150.07/x - Step 3: Cross multiply
2,910,857.14x = 4,345,818.80 × 2,224,150.07 - Step 4: Simplify right side
2,910,857.14x = 9,665,753,188,227.32 - Step 5: Solve for x
x = 9,665,753,188,227.32/2,910,857.14 - Step 6: Final answer
x = 3,320,586.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.