Finding the Fourth Proportional to 3,770,631, 5,203,427.04 and 2,051,721.90
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Solution
The fourth proportional to 3,770,631, 5,203,427.04 and 2,051,721.90 is: 2,831,352.42
Step by Step Solution
- Step 1: Write the proportion equation
3,770,631 : 5,203,427.04 = 2,051,721.90 : x - Step 2: Convert to fraction form
3,770,631/5,203,427.04 = 2,051,721.90/x - Step 3: Cross multiply
3,770,631x = 5,203,427.04 × 2,051,721.90 - Step 4: Simplify right side
3,770,631x = 10,675,985,213,020.18 - Step 5: Solve for x
x = 10,675,985,213,020.18/3,770,631 - Step 6: Final answer
x = 2,831,352.42
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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.