Finding the Fourth Proportional to 5,049,390.70, 6,968,214.57 and 2,757,618.82
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Solution
The fourth proportional to 5,049,390.70, 6,968,214.57 and 2,757,618.82 is: 3,805,544.23
Step by Step Solution
- Step 1: Write the proportion equation
5,049,390.70 : 6,968,214.57 = 2,757,618.82 : x - Step 2: Convert to fraction form
5,049,390.70/6,968,214.57 = 2,757,618.82/x - Step 3: Cross multiply
5,049,390.70x = 6,968,214.57 × 2,757,618.82 - Step 4: Simplify right side
5,049,390.70x = 19,215,679,640,030.21 - Step 5: Solve for x
x = 19,215,679,640,030.21/5,049,390.70 - Step 6: Final answer
x = 3,805,544.23
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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.