Finding the Fourth Proportional to 5,379,103.35, 8,068,742.58 and 1,540,910.84
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Solution
The fourth proportional to 5,379,103.35, 8,068,742.58 and 1,540,910.84 is: 2,311,391.33
Step by Step Solution
- Step 1: Write the proportion equation
5,379,103.35 : 8,068,742.58 = 1,540,910.84 : x - Step 2: Convert to fraction form
5,379,103.35/8,068,742.58 = 1,540,910.84/x - Step 3: Cross multiply
5,379,103.35x = 8,068,742.58 × 1,540,910.84 - Step 4: Simplify right side
5,379,103.35x = 12,433,212,866,347.85 - Step 5: Solve for x
x = 12,433,212,866,347.85/5,379,103.35 - Step 6: Final answer
x = 2,311,391.33
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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.