Finding the Fourth Proportional to 5,987,919.24, 8,260,721.34 and 3,664,915.18
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Solution
The fourth proportional to 5,987,919.24, 8,260,721.34 and 3,664,915.18 is: 5,055,987.19
Step by Step Solution
- Step 1: Write the proportion equation
5,987,919.24 : 8,260,721.34 = 3,664,915.18 : x - Step 2: Convert to fraction form
5,987,919.24/8,260,721.34 = 3,664,915.18/x - Step 3: Cross multiply
5,987,919.24x = 8,260,721.34 × 3,664,915.18 - Step 4: Simplify right side
5,987,919.24x = 30,274,842,995,412.33 - Step 5: Solve for x
x = 30,274,842,995,412.33/5,987,919.24 - Step 6: Final answer
x = 5,055,987.19
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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.