Finding the Fourth Proportional to 6,380,915.22, 8,805,767.97 and 3,480,306.12
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Solution
The fourth proportional to 6,380,915.22, 8,805,767.97 and 3,480,306.12 is: 4,802,879.69
Step by Step Solution
- Step 1: Write the proportion equation
6,380,915.22 : 8,805,767.97 = 3,480,306.12 : x - Step 2: Convert to fraction form
6,380,915.22/8,805,767.97 = 3,480,306.12/x - Step 3: Cross multiply
6,380,915.22x = 8,805,767.97 × 3,480,306.12 - Step 4: Simplify right side
6,380,915.22x = 30,646,768,124,269.35 - Step 5: Solve for x
x = 30,646,768,124,269.35/6,380,915.22 - Step 6: Final answer
x = 4,802,879.69
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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.