Finding the Fourth Proportional to 4,379,292.12, 6,568,914.30 and 1,785,586.72
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Solution
The fourth proportional to 4,379,292.12, 6,568,914.30 and 1,785,586.72 is: 2,678,370.34
Step by Step Solution
- Step 1: Write the proportion equation
4,379,292.12 : 6,568,914.30 = 1,785,586.72 : x - Step 2: Convert to fraction form
4,379,292.12/6,568,914.30 = 1,785,586.72/x - Step 3: Cross multiply
4,379,292.12x = 6,568,914.30 × 1,785,586.72 - Step 4: Simplify right side
4,379,292.12x = 11,729,366,138,898.10 - Step 5: Solve for x
x = 11,729,366,138,898.10/4,379,292.12 - Step 6: Final answer
x = 2,678,370.34
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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.