Finding the Fourth Proportional to 5,347,616.68, 7,379,723.10 and 3,055,771.72
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Solution
The fourth proportional to 5,347,616.68, 7,379,723.10 and 3,055,771.72 is: 4,216,971.88
Step by Step Solution
- Step 1: Write the proportion equation
5,347,616.68 : 7,379,723.10 = 3,055,771.72 : x - Step 2: Convert to fraction form
5,347,616.68/7,379,723.10 = 3,055,771.72/x - Step 3: Cross multiply
5,347,616.68x = 7,379,723.10 × 3,055,771.72 - Step 4: Simplify right side
5,347,616.68x = 22,550,749,150,410.73 - Step 5: Solve for x
x = 22,550,749,150,410.73/5,347,616.68 - Step 6: Final answer
x = 4,216,971.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.