Finding the Fourth Proportional to 3,868,314.14, 5,338,299.26 and 2,418,858.02
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Solution
The fourth proportional to 3,868,314.14, 5,338,299.26 and 2,418,858.02 is: 3,338,040.17
Step by Step Solution
- Step 1: Write the proportion equation
3,868,314.14 : 5,338,299.26 = 2,418,858.02 : x - Step 2: Convert to fraction form
3,868,314.14/5,338,299.26 = 2,418,858.02/x - Step 3: Cross multiply
3,868,314.14x = 5,338,299.26 × 2,418,858.02 - Step 4: Simplify right side
3,868,314.14x = 12,912,587,978,211.06 - Step 5: Solve for x
x = 12,912,587,978,211.06/3,868,314.14 - Step 6: Final answer
x = 3,338,040.17
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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.