Finding the Fourth Proportional to 3,821,156.10, 5,273,195.19 and 2,102,239.68
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Solution
The fourth proportional to 3,821,156.10, 5,273,195.19 and 2,102,239.68 is: 2,901,090.63
Step by Step Solution
- Step 1: Write the proportion equation
3,821,156.10 : 5,273,195.19 = 2,102,239.68 : x - Step 2: Convert to fraction form
3,821,156.10/5,273,195.19 = 2,102,239.68/x - Step 3: Cross multiply
3,821,156.10x = 5,273,195.19 × 2,102,239.68 - Step 4: Simplify right side
3,821,156.10x = 11,085,520,168,803.14 - Step 5: Solve for x
x = 11,085,520,168,803.14/3,821,156.10 - Step 6: Final answer
x = 2,901,090.63
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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.