Finding the Fourth Proportional to 3,770,882.94, 5,203,935.82 and 2,139,359.08
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Solution
The fourth proportional to 3,770,882.94, 5,203,935.82 and 2,139,359.08 is: 2,952,382.11
Step by Step Solution
- Step 1: Write the proportion equation
3,770,882.94 : 5,203,935.82 = 2,139,359.08 : x - Step 2: Convert to fraction form
3,770,882.94/5,203,935.82 = 2,139,359.08/x - Step 3: Cross multiply
3,770,882.94x = 5,203,935.82 × 2,139,359.08 - Step 4: Simplify right side
3,770,882.94x = 11,133,087,348,254.25 - Step 5: Solve for x
x = 11,133,087,348,254.25/3,770,882.94 - Step 6: Final answer
x = 2,952,382.11
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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.