Finding the Fourth Proportional to 5,489,361.57, 7,575,610.28 and 3,042,239.79
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Solution
The fourth proportional to 5,489,361.57, 7,575,610.28 and 3,042,239.79 is: 4,198,452.36
Step by Step Solution
- Step 1: Write the proportion equation
5,489,361.57 : 7,575,610.28 = 3,042,239.79 : x - Step 2: Convert to fraction form
5,489,361.57/7,575,610.28 = 3,042,239.79/x - Step 3: Cross multiply
5,489,361.57x = 7,575,610.28 × 3,042,239.79 - Step 4: Simplify right side
5,489,361.57x = 23,046,823,012,137.84 - Step 5: Solve for x
x = 23,046,823,012,137.84/5,489,361.57 - Step 6: Final answer
x = 4,198,452.36
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1.5x scale
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.