Finding the Fourth Proportional to 5,528,668.96, 7,630,183.56 and 3,081,503.44
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Solution
The fourth proportional to 5,528,668.96, 7,630,183.56 and 3,081,503.44 is: 4,252,820.54
Step by Step Solution
- Step 1: Write the proportion equation
5,528,668.96 : 7,630,183.56 = 3,081,503.44 : x - Step 2: Convert to fraction form
5,528,668.96/7,630,183.56 = 3,081,503.44/x - Step 3: Cross multiply
5,528,668.96x = 7,630,183.56 × 3,081,503.44 - Step 4: Simplify right side
5,528,668.96x = 23,512,436,887,971.45 - Step 5: Solve for x
x = 23,512,436,887,971.45/5,528,668.96 - Step 6: Final answer
x = 4,252,820.54
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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.