Finding the Fourth Proportional to 3,853,049.76, 5,317,138.08 and 2,134,164.96
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Solution
The fourth proportional to 3,853,049.76, 5,317,138.08 and 2,134,164.96 is: 2,945,108.55
Step by Step Solution
- Step 1: Write the proportion equation
3,853,049.76 : 5,317,138.08 = 2,134,164.96 : x - Step 2: Convert to fraction form
3,853,049.76/5,317,138.08 = 2,134,164.96/x - Step 3: Cross multiply
3,853,049.76x = 5,317,138.08 × 2,134,164.96 - Step 4: Simplify right side
3,853,049.76x = 11,347,649,777,817.68 - Step 5: Solve for x
x = 11,347,649,777,817.68/3,853,049.76 - Step 6: Final answer
x = 2,945,108.55
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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.