Finding the Fourth Proportional to 5,145,879.24, 7,717,735.26 and 3,318,771.24
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Solution
The fourth proportional to 5,145,879.24, 7,717,735.26 and 3,318,771.24 is: 4,977,458.01
Step by Step Solution
- Step 1: Write the proportion equation
5,145,879.24 : 7,717,735.26 = 3,318,771.24 : x - Step 2: Convert to fraction form
5,145,879.24/7,717,735.26 = 3,318,771.24/x - Step 3: Cross multiply
5,145,879.24x = 7,717,735.26 × 3,318,771.24 - Step 4: Simplify right side
5,145,879.24x = 25,613,397,818,821.92 - Step 5: Solve for x
x = 25,613,397,818,821.92/5,145,879.24 - Step 6: Final answer
x = 4,977,458.01
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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.