Finding the Fourth Proportional to 2,261,838.97, 3,121,369.41 and 1,229,346.44
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Solution
The fourth proportional to 2,261,838.97, 3,121,369.41 and 1,229,346.44 is: 1,696,515.28
Step by Step Solution
- Step 1: Write the proportion equation
2,261,838.97 : 3,121,369.41 = 1,229,346.44 : x - Step 2: Convert to fraction form
2,261,838.97/3,121,369.41 = 1,229,346.44/x - Step 3: Cross multiply
2,261,838.97x = 3,121,369.41 × 1,229,346.44 - Step 4: Simplify right side
2,261,838.97x = 3,837,244,372,108.40 - Step 5: Solve for x
x = 3,837,244,372,108.40/2,261,838.97 - Step 6: Final answer
x = 1,696,515.28
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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.