Finding the Fourth Proportional to 5,063,361.97, 6,987,447.99 and 2,740,256.56
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Solution
The fourth proportional to 5,063,361.97, 6,987,447.99 and 2,740,256.56 is: 3,781,558.64
Step by Step Solution
- Step 1: Write the proportion equation
5,063,361.97 : 6,987,447.99 = 2,740,256.56 : x - Step 2: Convert to fraction form
5,063,361.97/6,987,447.99 = 2,740,256.56/x - Step 3: Cross multiply
5,063,361.97x = 6,987,447.99 × 2,740,256.56 - Step 4: Simplify right side
5,063,361.97x = 19,147,400,192,256.32 - Step 5: Solve for x
x = 19,147,400,192,256.32/5,063,361.97 - Step 6: Final answer
x = 3,781,558.64
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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.