Finding the Fourth Proportional to 5,555,630.96, 7,667,969.90 and 3,380,874.81
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Solution
The fourth proportional to 5,555,630.96, 7,667,969.90 and 3,380,874.81 is: 4,666,336.99
Step by Step Solution
- Step 1: Write the proportion equation
5,555,630.96 : 7,667,969.90 = 3,380,874.81 : x - Step 2: Convert to fraction form
5,555,630.96/7,667,969.90 = 3,380,874.81/x - Step 3: Cross multiply
5,555,630.96x = 7,667,969.90 × 3,380,874.81 - Step 4: Simplify right side
5,555,630.96x = 25,924,446,278,748.22 - Step 5: Solve for x
x = 25,924,446,278,748.22/5,555,630.96 - Step 6: Final answer
x = 4,666,336.99
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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.