Finding the Fourth Proportional to 3,682,809.68, 5,082,261.60 and 2,051,236.40
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Solution
The fourth proportional to 3,682,809.68, 5,082,261.60 and 2,051,236.40 is: 2,830,697.45
Step by Step Solution
- Step 1: Write the proportion equation
3,682,809.68 : 5,082,261.60 = 2,051,236.40 : x - Step 2: Convert to fraction form
3,682,809.68/5,082,261.60 = 2,051,236.40/x - Step 3: Cross multiply
3,682,809.68x = 5,082,261.60 × 2,051,236.40 - Step 4: Simplify right side
3,682,809.68x = 10,424,919,988,242.24 - Step 5: Solve for x
x = 10,424,919,988,242.24/3,682,809.68 - Step 6: Final answer
x = 2,830,697.45
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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.