Finding the Fourth Proportional to 5,351,131.29, 7,384,523.72 and 2,903,680.09
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Solution
The fourth proportional to 5,351,131.29, 7,384,523.72 and 2,903,680.09 is: 4,007,058.20
Step by Step Solution
- Step 1: Write the proportion equation
5,351,131.29 : 7,384,523.72 = 2,903,680.09 : x - Step 2: Convert to fraction form
5,351,131.29/7,384,523.72 = 2,903,680.09/x - Step 3: Cross multiply
5,351,131.29x = 7,384,523.72 × 2,903,680.09 - Step 4: Simplify right side
5,351,131.29x = 21,442,294,525,617.24 - Step 5: Solve for x
x = 21,442,294,525,617.24/5,351,131.29 - Step 6: Final answer
x = 4,007,058.20
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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.