Finding the Fourth Proportional to 3,961,838.08, 5,446,287.14 and 3,408,519.92
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Solution
The fourth proportional to 3,961,838.08, 5,446,287.14 and 3,408,519.92 is: 4,685,647.88
Step by Step Solution
- Step 1: Write the proportion equation
3,961,838.08 : 5,446,287.14 = 3,408,519.92 : x - Step 2: Convert to fraction form
3,961,838.08/5,446,287.14 = 3,408,519.92/x - Step 3: Cross multiply
3,961,838.08x = 5,446,287.14 × 3,408,519.92 - Step 4: Simplify right side
3,961,838.08x = 18,563,778,206,729.83 - Step 5: Solve for x
x = 18,563,778,206,729.83/3,961,838.08 - Step 6: Final answer
x = 4,685,647.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.