Finding the Fourth Proportional to 4,079,212.95, 5,629,325.09 and 2,243,859.31
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Solution
The fourth proportional to 4,079,212.95, 5,629,325.09 and 2,243,859.31 is: 3,096,532.02
Step by Step Solution
- Step 1: Write the proportion equation
4,079,212.95 : 5,629,325.09 = 2,243,859.31 : x - Step 2: Convert to fraction form
4,079,212.95/5,629,325.09 = 2,243,859.31/x - Step 3: Cross multiply
4,079,212.95x = 5,629,325.09 × 2,243,859.31 - Step 4: Simplify right side
4,079,212.95x = 12,631,413,512,213.09 - Step 5: Solve for x
x = 12,631,413,512,213.09/4,079,212.95 - Step 6: Final answer
x = 3,096,532.02
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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.