Finding the Fourth Proportional to 3,781,872.05, 5,219,021.16 and 2,063,028.56
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Solution
The fourth proportional to 3,781,872.05, 5,219,021.16 and 2,063,028.56 is: 2,846,999.99
Step by Step Solution
- Step 1: Write the proportion equation
3,781,872.05 : 5,219,021.16 = 2,063,028.56 : x - Step 2: Convert to fraction form
3,781,872.05/5,219,021.16 = 2,063,028.56/x - Step 3: Cross multiply
3,781,872.05x = 5,219,021.16 × 2,063,028.56 - Step 4: Simplify right side
3,781,872.05x = 10,766,989,682,229.22 - Step 5: Solve for x
x = 10,766,989,682,229.22/3,781,872.05 - Step 6: Final answer
x = 2,846,999.99
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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.