Finding the Fourth Proportional to 3,661,128.12, 5,052,356.67 and 2,029,531.35
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Solution
The fourth proportional to 3,661,128.12, 5,052,356.67 and 2,029,531.35 is: 2,800,753.19
Step by Step Solution
- Step 1: Write the proportion equation
3,661,128.12 : 5,052,356.67 = 2,029,531.35 : x - Step 2: Convert to fraction form
3,661,128.12/5,052,356.67 = 2,029,531.35/x - Step 3: Cross multiply
3,661,128.12x = 5,052,356.67 × 2,029,531.35 - Step 4: Simplify right side
3,661,128.12x = 10,253,916,253,146.61 - Step 5: Solve for x
x = 10,253,916,253,146.61/3,661,128.12 - Step 6: Final answer
x = 2,800,753.19
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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.