Finding the Fourth Proportional to 2,338,889.19, 3,227,720.04 and 1,372,716.33
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Solution
The fourth proportional to 2,338,889.19, 3,227,720.04 and 1,372,716.33 is: 1,894,379.62
Step by Step Solution
- Step 1: Write the proportion equation
2,338,889.19 : 3,227,720.04 = 1,372,716.33 : x - Step 2: Convert to fraction form
2,338,889.19/3,227,720.04 = 1,372,716.33/x - Step 3: Cross multiply
2,338,889.19x = 3,227,720.04 × 1,372,716.33 - Step 4: Simplify right side
2,338,889.19x = 4,430,744,007,576.25 - Step 5: Solve for x
x = 4,430,744,007,576.25/2,338,889.19 - Step 6: Final answer
x = 1,894,379.62
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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.