Finding the Fourth Proportional to 3,873,133.70, 5,798,481.46 and 2,917,613.49
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Solution
The fourth proportional to 3,873,133.70, 5,798,481.46 and 2,917,613.49 is: 4,367,968.94
Step by Step Solution
- Step 1: Write the proportion equation
3,873,133.70 : 5,798,481.46 = 2,917,613.49 : x - Step 2: Convert to fraction form
3,873,133.70/5,798,481.46 = 2,917,613.49/x - Step 3: Cross multiply
3,873,133.70x = 5,798,481.46 × 2,917,613.49 - Step 4: Simplify right side
3,873,133.70x = 16,917,727,700,172.55 - Step 5: Solve for x
x = 16,917,727,700,172.55/3,873,133.70 - Step 6: Final answer
x = 4,367,968.94
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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.