Finding the Fourth Proportional to 5,480,853.48, 8,211,830.22 and 3,633,232.68
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Solution
The fourth proportional to 5,480,853.48, 8,211,830.22 and 3,633,232.68 is: 5,443,584.66
Step by Step Solution
- Step 1: Write the proportion equation
5,480,853.48 : 8,211,830.22 = 3,633,232.68 : x - Step 2: Convert to fraction form
5,480,853.48/8,211,830.22 = 3,633,232.68/x - Step 3: Cross multiply
5,480,853.48x = 8,211,830.22 × 3,633,232.68 - Step 4: Simplify right side
5,480,853.48x = 29,835,489,917,915.59 - Step 5: Solve for x
x = 29,835,489,917,915.59/5,480,853.48 - Step 6: Final answer
x = 5,443,584.66
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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.