Finding the Fourth Proportional to 5,322,113.80, 7,344,519.97 and 2,874,724.82
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Solution
The fourth proportional to 5,322,113.80, 7,344,519.97 and 2,874,724.82 is: 3,967,121.83
Step by Step Solution
- Step 1: Write the proportion equation
5,322,113.80 : 7,344,519.97 = 2,874,724.82 : x - Step 2: Convert to fraction form
5,322,113.80/7,344,519.97 = 2,874,724.82/x - Step 3: Cross multiply
5,322,113.80x = 7,344,519.97 × 2,874,724.82 - Step 4: Simplify right side
5,322,113.80x = 21,113,473,848,744.65 - Step 5: Solve for x
x = 21,113,473,848,744.65/5,322,113.80 - Step 6: Final answer
x = 3,967,121.83
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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.