Finding the Fourth Proportional to 3,873,128.63, 5,798,473.88 and 2,917,608.42
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Solution
The fourth proportional to 3,873,128.63, 5,798,473.88 and 2,917,608.42 is: 4,367,961.37
Step by Step Solution
- Step 1: Write the proportion equation
3,873,128.63 : 5,798,473.88 = 2,917,608.42 : x - Step 2: Convert to fraction form
3,873,128.63/5,798,473.88 = 2,917,608.42/x - Step 3: Cross multiply
3,873,128.63x = 5,798,473.88 × 2,917,608.42 - Step 4: Simplify right side
3,873,128.63x = 16,917,676,200,850.03 - Step 5: Solve for x
x = 16,917,676,200,850.03/3,873,128.63 - Step 6: Final answer
x = 4,367,961.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.