Finding the Fourth Proportional to 3,939,447.44, 5,436,447.10 and 2,197,229.71
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Solution
The fourth proportional to 3,939,447.44, 5,436,447.10 and 2,197,229.71 is: 3,032,182.37
Step by Step Solution
- Step 1: Write the proportion equation
3,939,447.44 : 5,436,447.10 = 2,197,229.71 : x - Step 2: Convert to fraction form
3,939,447.44/5,436,447.10 = 2,197,229.71/x - Step 3: Cross multiply
3,939,447.44x = 5,436,447.10 × 2,197,229.71 - Step 4: Simplify right side
3,939,447.44x = 11,945,123,065,879.15 - Step 5: Solve for x
x = 11,945,123,065,879.15/3,939,447.44 - Step 6: Final answer
x = 3,032,182.37
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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.