Finding the Fourth Proportional to 3,968,531.67, 5,476,415.04 and 2,337,007.80
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Solution
The fourth proportional to 3,968,531.67, 5,476,415.04 and 2,337,007.80 is: 3,224,977.33
Step by Step Solution
- Step 1: Write the proportion equation
3,968,531.67 : 5,476,415.04 = 2,337,007.80 : x - Step 2: Convert to fraction form
3,968,531.67/5,476,415.04 = 2,337,007.80/x - Step 3: Cross multiply
3,968,531.67x = 5,476,415.04 × 2,337,007.80 - Step 4: Simplify right side
3,968,531.67x = 12,798,424,664,517.31 - Step 5: Solve for x
x = 12,798,424,664,517.31/3,968,531.67 - Step 6: Final answer
x = 3,224,977.33
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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.