Finding the Fourth Proportional to 2,850,471.14, 3,933,651.09 and 1,561,332.98
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Solution
The fourth proportional to 2,850,471.14, 3,933,651.09 and 1,561,332.98 is: 2,154,640.01
Step by Step Solution
- Step 1: Write the proportion equation
2,850,471.14 : 3,933,651.09 = 1,561,332.98 : x - Step 2: Convert to fraction form
2,850,471.14/3,933,651.09 = 1,561,332.98/x - Step 3: Cross multiply
2,850,471.14x = 3,933,651.09 × 1,561,332.98 - Step 4: Simplify right side
2,850,471.14x = 6,141,739,178,629.95 - Step 5: Solve for x
x = 6,141,739,178,629.95/2,850,471.14 - Step 6: Final answer
x = 2,154,640.01
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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.