Finding the Fourth Proportional to 3,946,704.01, 5,446,451.48 and 2,135,868.01
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Solution
The fourth proportional to 3,946,704.01, 5,446,451.48 and 2,135,868.01 is: 2,947,497.82
Step by Step Solution
- Step 1: Write the proportion equation
3,946,704.01 : 5,446,451.48 = 2,135,868.01 : x - Step 2: Convert to fraction form
3,946,704.01/5,446,451.48 = 2,135,868.01/x - Step 3: Cross multiply
3,946,704.01x = 5,446,451.48 × 2,135,868.01 - Step 4: Simplify right side
3,946,704.01x = 11,632,901,459,853.68 - Step 5: Solve for x
x = 11,632,901,459,853.68/3,946,704.01 - Step 6: Final answer
x = 2,947,497.82
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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.