Finding the Fourth Proportional to 5,067,474.43, 6,993,810.47 and 3,107,005.79
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Solution
The fourth proportional to 5,067,474.43, 6,993,810.47 and 3,107,005.79 is: 4,288,094.58
Step by Step Solution
- Step 1: Write the proportion equation
5,067,474.43 : 6,993,810.47 = 3,107,005.79 : x - Step 2: Convert to fraction form
5,067,474.43/6,993,810.47 = 3,107,005.79/x - Step 3: Cross multiply
5,067,474.43x = 6,993,810.47 × 3,107,005.79 - Step 4: Simplify right side
5,067,474.43x = 21,729,809,624,452.62 - Step 5: Solve for x
x = 21,729,809,624,452.62/5,067,474.43 - Step 6: Final answer
x = 4,288,094.58
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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.