Finding the Fourth Proportional to 3,437,397.09, 4,741,634.34 and 2,145,995.46
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Solution
The fourth proportional to 3,437,397.09, 4,741,634.34 and 2,145,995.46 is: 2,960,241.57
Step by Step Solution
- Step 1: Write the proportion equation
3,437,397.09 : 4,741,634.34 = 2,145,995.46 : x - Step 2: Convert to fraction form
3,437,397.09/4,741,634.34 = 2,145,995.46/x - Step 3: Cross multiply
3,437,397.09x = 4,741,634.34 × 2,145,995.46 - Step 4: Simplify right side
3,437,397.09x = 10,175,525,766,620.10 - Step 5: Solve for x
x = 10,175,525,766,620.10/3,437,397.09 - Step 6: Final answer
x = 2,960,241.57
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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.