Finding the Fourth Proportional to 4,378,608.44, 6,042,443.57 and 2,391,745.68
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Solution
The fourth proportional to 4,378,608.44, 6,042,443.57 and 2,391,745.68 is: 3,300,589.33
Step by Step Solution
- Step 1: Write the proportion equation
4,378,608.44 : 6,042,443.57 = 2,391,745.68 : x - Step 2: Convert to fraction form
4,378,608.44/6,042,443.57 = 2,391,745.68/x - Step 3: Cross multiply
4,378,608.44x = 6,042,443.57 × 2,391,745.68 - Step 4: Simplify right side
4,378,608.44x = 14,451,988,302,201.60 - Step 5: Solve for x
x = 14,451,988,302,201.60/4,378,608.44 - Step 6: Final answer
x = 3,300,589.33
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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.