Finding the Fourth Proportional to 5,354,608.38, 8,031,915.45 and 3,361,464.06
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Solution
The fourth proportional to 5,354,608.38, 8,031,915.45 and 3,361,464.06 is: 5,042,197.90
Step by Step Solution
- Step 1: Write the proportion equation
5,354,608.38 : 8,031,915.45 = 3,361,464.06 : x - Step 2: Convert to fraction form
5,354,608.38/8,031,915.45 = 3,361,464.06/x - Step 3: Cross multiply
5,354,608.38x = 8,031,915.45 × 3,361,464.06 - Step 4: Simplify right side
5,354,608.38x = 26,998,995,118,133.73 - Step 5: Solve for x
x = 26,998,995,118,133.73/5,354,608.38 - Step 6: Final answer
x = 5,042,197.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.