Finding the Fourth Proportional to 2,372,121.88, 3,273,398.66 and 1,391,928.93
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Solution
The fourth proportional to 2,372,121.88, 3,273,398.66 and 1,391,928.93 is: 1,920,785.92
Step by Step Solution
- Step 1: Write the proportion equation
2,372,121.88 : 3,273,398.66 = 1,391,928.93 : x - Step 2: Convert to fraction form
2,372,121.88/3,273,398.66 = 1,391,928.93/x - Step 3: Cross multiply
2,372,121.88x = 3,273,398.66 × 1,391,928.93 - Step 4: Simplify right side
2,372,121.88x = 4,556,338,297,757.06 - Step 5: Solve for x
x = 4,556,338,297,757.06/2,372,121.88 - Step 6: Final answer
x = 1,920,785.92
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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.