Finding the Fourth Proportional to 3,821,158.52, 5,273,198.52 and 2,102,242.12
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Solution
The fourth proportional to 3,821,158.52, 5,273,198.52 and 2,102,242.12 is: 2,901,093.99
Step by Step Solution
- Step 1: Write the proportion equation
3,821,158.52 : 5,273,198.52 = 2,102,242.12 : x - Step 2: Convert to fraction form
3,821,158.52/5,273,198.52 = 2,102,242.12/x - Step 3: Cross multiply
3,821,158.52x = 5,273,198.52 × 2,102,242.12 - Step 4: Simplify right side
3,821,158.52x = 11,085,540,035,865.66 - Step 5: Solve for x
x = 11,085,540,035,865.66/3,821,158.52 - Step 6: Final answer
x = 2,901,093.99
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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.