Finding the Fourth Proportional to 4,179,879.77, 6,269,763.60 and 1,147,242.05
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Solution
The fourth proportional to 4,179,879.77, 6,269,763.60 and 1,147,242.05 is: 1,720,847.68
Step by Step Solution
- Step 1: Write the proportion equation
4,179,879.77 : 6,269,763.60 = 1,147,242.05 : x - Step 2: Convert to fraction form
4,179,879.77/6,269,763.60 = 1,147,242.05/x - Step 3: Cross multiply
4,179,879.77x = 6,269,763.60 × 1,147,242.05 - Step 4: Simplify right side
4,179,879.77x = 7,192,936,408,394.35 - Step 5: Solve for x
x = 7,192,936,408,394.35/4,179,879.77 - Step 6: Final answer
x = 1,720,847.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.