Finding the Fourth Proportional to 3,640,487.97, 5,024,872.53 and 2,113,087.17
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Solution
The fourth proportional to 3,640,487.97, 5,024,872.53 and 2,113,087.17 is: 2,916,640.23
Step by Step Solution
- Step 1: Write the proportion equation
3,640,487.97 : 5,024,872.53 = 2,113,087.17 : x - Step 2: Convert to fraction form
3,640,487.97/5,024,872.53 = 2,113,087.17/x - Step 3: Cross multiply
3,640,487.97x = 5,024,872.53 × 2,113,087.17 - Step 4: Simplify right side
3,640,487.97x = 10,617,993,674,028.44 - Step 5: Solve for x
x = 10,617,993,674,028.44/3,640,487.97 - Step 6: Final answer
x = 2,916,640.23
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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.