Finding the Fourth Proportional to 7,244,845.80, 10,867,157.64 and 1,853,450.52
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Solution
The fourth proportional to 7,244,845.80, 10,867,157.64 and 1,853,450.52 is: 2,780,147.37
Step by Step Solution
- Step 1: Write the proportion equation
7,244,845.80 : 10,867,157.64 = 1,853,450.52 : x - Step 2: Convert to fraction form
7,244,845.80/10,867,157.64 = 1,853,450.52/x - Step 3: Cross multiply
7,244,845.80x = 10,867,157.64 × 1,853,450.52 - Step 4: Simplify right side
7,244,845.80x = 20,141,738,978,779.97 - Step 5: Solve for x
x = 20,141,738,978,779.97/7,244,845.80 - Step 6: Final answer
x = 2,780,147.37
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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.