Finding the Fourth Proportional to 5,694,434.13, 7,858,318.37 and 3,116,115.21
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Solution
The fourth proportional to 5,694,434.13, 7,858,318.37 and 3,116,115.21 is: 4,300,238.59
Step by Step Solution
- Step 1: Write the proportion equation
5,694,434.13 : 7,858,318.37 = 3,116,115.21 : x - Step 2: Convert to fraction form
5,694,434.13/7,858,318.37 = 3,116,115.21/x - Step 3: Cross multiply
5,694,434.13x = 7,858,318.37 × 3,116,115.21 - Step 4: Simplify right side
5,694,434.13x = 24,487,425,382,198.83 - Step 5: Solve for x
x = 24,487,425,382,198.83/5,694,434.13 - Step 6: Final answer
x = 4,300,238.59
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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.