Finding the Fourth Proportional to 5,049,391.70, 6,968,215.96 and 2,757,619.82
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Solution
The fourth proportional to 5,049,391.70, 6,968,215.96 and 2,757,619.82 is: 3,805,545.61
Step by Step Solution
- Step 1: Write the proportion equation
5,049,391.70 : 6,968,215.96 = 2,757,619.82 : x - Step 2: Convert to fraction form
5,049,391.70/6,968,215.96 = 2,757,619.82/x - Step 3: Cross multiply
5,049,391.70x = 6,968,215.96 × 2,757,619.82 - Step 4: Simplify right side
5,049,391.70x = 19,215,690,441,336.32 - Step 5: Solve for x
x = 19,215,690,441,336.32/5,049,391.70 - Step 6: Final answer
x = 3,805,545.61
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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.