Finding the Fourth Proportional to 5,820,453.36, 8,685,159.48 and 5,215,249.44
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Solution
The fourth proportional to 5,820,453.36, 8,685,159.48 and 5,215,249.44 is: 7,782,086.77
Step by Step Solution
- Step 1: Write the proportion equation
5,820,453.36 : 8,685,159.48 = 5,215,249.44 : x - Step 2: Convert to fraction form
5,820,453.36/8,685,159.48 = 5,215,249.44/x - Step 3: Cross multiply
5,820,453.36x = 8,685,159.48 × 5,215,249.44 - Step 4: Simplify right side
5,820,453.36x = 45,295,273,114,380.70 - Step 5: Solve for x
x = 45,295,273,114,380.70/5,820,453.36 - Step 6: Final answer
x = 7,782,086.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.