Finding the Fourth Proportional to 3,635,431.20, 5,016,305.04 and 2,107,239.84
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Solution
The fourth proportional to 3,635,431.20, 5,016,305.04 and 2,107,239.84 is: 2,907,648.98
Step by Step Solution
- Step 1: Write the proportion equation
3,635,431.20 : 5,016,305.04 = 2,107,239.84 : x - Step 2: Convert to fraction form
3,635,431.20/5,016,305.04 = 2,107,239.84/x - Step 3: Cross multiply
3,635,431.20x = 5,016,305.04 × 2,107,239.84 - Step 4: Simplify right side
3,635,431.20x = 10,570,557,829,880.79 - Step 5: Solve for x
x = 10,570,557,829,880.79/3,635,431.20 - Step 6: Final answer
x = 2,907,648.98
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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.