Finding the Fourth Proportional to 4,079,214.93, 5,629,327.85 and 2,243,861.31
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Solution
The fourth proportional to 4,079,214.93, 5,629,327.85 and 2,243,861.31 is: 3,096,534.80
Step by Step Solution
- Step 1: Write the proportion equation
4,079,214.93 : 5,629,327.85 = 2,243,861.31 : x - Step 2: Convert to fraction form
4,079,214.93/5,629,327.85 = 2,243,861.31/x - Step 3: Cross multiply
4,079,214.93x = 5,629,327.85 × 2,243,861.31 - Step 4: Simplify right side
4,079,214.93x = 12,631,430,969,530.14 - Step 5: Solve for x
x = 12,631,430,969,530.14/4,079,214.93 - Step 6: Final answer
x = 3,096,534.80
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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.