Finding the Fourth Proportional to 5,152,764.96, 7,729,147.44 and 1,366,543.08
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Solution
The fourth proportional to 5,152,764.96, 7,729,147.44 and 1,366,543.08 is: 2,049,814.62
Step by Step Solution
- Step 1: Write the proportion equation
5,152,764.96 : 7,729,147.44 = 1,366,543.08 : x - Step 2: Convert to fraction form
5,152,764.96/7,729,147.44 = 1,366,543.08/x - Step 3: Cross multiply
5,152,764.96x = 7,729,147.44 × 1,366,543.08 - Step 4: Simplify right side
5,152,764.96x = 10,562,212,948,431.72 - Step 5: Solve for x
x = 10,562,212,948,431.72/5,152,764.96 - Step 6: Final answer
x = 2,049,814.62
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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.