Finding the Fourth Proportional to 3,608,722.80, 4,980,567.96 and 2,080,531.44
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Solution
The fourth proportional to 3,608,722.80, 4,980,567.96 and 2,080,531.44 is: 2,871,439.23
Step by Step Solution
- Step 1: Write the proportion equation
3,608,722.80 : 4,980,567.96 = 2,080,531.44 : x - Step 2: Convert to fraction form
3,608,722.80/4,980,567.96 = 2,080,531.44/x - Step 3: Cross multiply
3,608,722.80x = 4,980,567.96 × 2,080,531.44 - Step 4: Simplify right side
3,608,722.80x = 10,362,228,229,836.66 - Step 5: Solve for x
x = 10,362,228,229,836.66/3,608,722.80 - Step 6: Final answer
x = 2,871,439.23
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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.