Finding the Fourth Proportional to 4,214,319.21, 5,814,336.81 and 2,743,558.05
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Solution
The fourth proportional to 4,214,319.21, 5,814,336.81 and 2,743,558.05 is: 3,785,183.27
Step by Step Solution
- Step 1: Write the proportion equation
4,214,319.21 : 5,814,336.81 = 2,743,558.05 : x - Step 2: Convert to fraction form
4,214,319.21/5,814,336.81 = 2,743,558.05/x - Step 3: Cross multiply
4,214,319.21x = 5,814,336.81 × 2,743,558.05 - Step 4: Simplify right side
4,214,319.21x = 15,951,970,560,486.82 - Step 5: Solve for x
x = 15,951,970,560,486.82/4,214,319.21 - Step 6: Final answer
x = 3,785,183.27
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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.