Finding the Fourth Proportional to 2,949,852.11, 4,070,872.01 and 1,660,738.62
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Solution
The fourth proportional to 2,949,852.11, 4,070,872.01 and 1,660,738.62 is: 2,291,862.15
Step by Step Solution
- Step 1: Write the proportion equation
2,949,852.11 : 4,070,872.01 = 1,660,738.62 : x - Step 2: Convert to fraction form
2,949,852.11/4,070,872.01 = 1,660,738.62/x - Step 3: Cross multiply
2,949,852.11x = 4,070,872.01 × 1,660,738.62 - Step 4: Simplify right side
2,949,852.11x = 6,760,654,383,501.64 - Step 5: Solve for x
x = 6,760,654,383,501.64/2,949,852.11 - Step 6: Final answer
x = 2,291,862.15
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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.