Finding the Fourth Proportional to 5,372,586.40, 8,058,879.60 and 1,586,063.20
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Solution
The fourth proportional to 5,372,586.40, 8,058,879.60 and 1,586,063.20 is: 2,379,094.80
Step by Step Solution
- Step 1: Write the proportion equation
5,372,586.40 : 8,058,879.60 = 1,586,063.20 : x - Step 2: Convert to fraction form
5,372,586.40/8,058,879.60 = 1,586,063.20/x - Step 3: Cross multiply
5,372,586.40x = 8,058,879.60 × 1,586,063.20 - Step 4: Simplify right side
5,372,586.40x = 12,781,892,366,790.72 - Step 5: Solve for x
x = 12,781,892,366,790.72/5,372,586.40 - Step 6: Final answer
x = 2,379,094.80
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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.