Finding the Fourth Proportional to 3,067,338.44, 4,232,943.84 and 1,778,942.72
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Solution
The fourth proportional to 3,067,338.44, 4,232,943.84 and 1,778,942.72 is: 2,454,950.69
Step by Step Solution
- Step 1: Write the proportion equation
3,067,338.44 : 4,232,943.84 = 1,778,942.72 : x - Step 2: Convert to fraction form
3,067,338.44/4,232,943.84 = 1,778,942.72/x - Step 3: Cross multiply
3,067,338.44x = 4,232,943.84 × 1,778,942.72 - Step 4: Simplify right side
3,067,338.44x = 7,530,164,628,336.85 - Step 5: Solve for x
x = 7,530,164,628,336.85/3,067,338.44 - Step 6: Final answer
x = 2,454,950.69
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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.