Finding the Fourth Proportional to 5,058,213.18, 6,979,912.19 and 2,852,954.46
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Solution
The fourth proportional to 5,058,213.18, 6,979,912.19 and 2,852,954.46 is: 3,936,839.14
Step by Step Solution
- Step 1: Write the proportion equation
5,058,213.18 : 6,979,912.19 = 2,852,954.46 : x - Step 2: Convert to fraction form
5,058,213.18/6,979,912.19 = 2,852,954.46/x - Step 3: Cross multiply
5,058,213.18x = 6,979,912.19 × 2,852,954.46 - Step 4: Simplify right side
5,058,213.18x = 19,913,371,612,868.87 - Step 5: Solve for x
x = 19,913,371,612,868.87/5,058,213.18 - Step 6: Final answer
x = 3,936,839.14
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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.