Finding the Fourth Proportional to 3,898,871.12, 5,848,306.68 and 2,568,864.08
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Solution
The fourth proportional to 3,898,871.12, 5,848,306.68 and 2,568,864.08 is: 3,853,296.12
Step by Step Solution
- Step 1: Write the proportion equation
3,898,871.12 : 5,848,306.68 = 2,568,864.08 : x - Step 2: Convert to fraction form
3,898,871.12/5,848,306.68 = 2,568,864.08/x - Step 3: Cross multiply
3,898,871.12x = 5,848,306.68 × 2,568,864.08 - Step 4: Simplify right side
3,898,871.12x = 15,023,504,959,076.05 - Step 5: Solve for x
x = 15,023,504,959,076.05/3,898,871.12 - Step 6: Final answer
x = 3,853,296.12
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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.