Finding the Fourth Proportional to 3,998,535.25, 5,512,239.39 and 2,850,622.69
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Solution
The fourth proportional to 3,998,535.25, 5,512,239.39 and 2,850,622.69 is: 3,929,767.70
Step by Step Solution
- Step 1: Write the proportion equation
3,998,535.25 : 5,512,239.39 = 2,850,622.69 : x - Step 2: Convert to fraction form
3,998,535.25/5,512,239.39 = 2,850,622.69/x - Step 3: Cross multiply
3,998,535.25x = 5,512,239.39 × 2,850,622.69 - Step 4: Simplify right side
3,998,535.25x = 15,713,314,677,845.76 - Step 5: Solve for x
x = 15,713,314,677,845.76/3,998,535.25 - Step 6: Final answer
x = 3,929,767.70
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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.