Finding the Fourth Proportional to 3,777,554.54, 5,212,873.14 and 2,058,638.15
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Solution
The fourth proportional to 3,777,554.54, 5,212,873.14 and 2,058,638.15 is: 2,840,837.74
Step by Step Solution
- Step 1: Write the proportion equation
3,777,554.54 : 5,212,873.14 = 2,058,638.15 : x - Step 2: Convert to fraction form
3,777,554.54/5,212,873.14 = 2,058,638.15/x - Step 3: Cross multiply
3,777,554.54x = 5,212,873.14 × 2,058,638.15 - Step 4: Simplify right side
3,777,554.54x = 10,731,419,517,114.29 - Step 5: Solve for x
x = 10,731,419,517,114.29/3,777,554.54 - Step 6: Final answer
x = 2,840,837.74
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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.