Finding the Fourth Proportional to 3,589,708.12, 4,960,248.36 and 2,728,773.70
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Solution
The fourth proportional to 3,589,708.12, 4,960,248.36 and 2,728,773.70 is: 3,770,611.65
Step by Step Solution
- Step 1: Write the proportion equation
3,589,708.12 : 4,960,248.36 = 2,728,773.70 : x - Step 2: Convert to fraction form
3,589,708.12/4,960,248.36 = 2,728,773.70/x - Step 3: Cross multiply
3,589,708.12x = 4,960,248.36 × 2,728,773.70 - Step 4: Simplify right side
3,589,708.12x = 13,535,395,270,236.13 - Step 5: Solve for x
x = 13,535,395,270,236.13/3,589,708.12 - Step 6: Final answer
x = 3,770,611.65
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1.5x scale
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.