Finding the Fourth Proportional to 3,987,885.24, 5,503,755.06 and 2,245,610.88
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Solution
The fourth proportional to 3,987,885.24, 5,503,755.06 and 2,245,610.88 is: 3,099,209.61
Step by Step Solution
- Step 1: Write the proportion equation
3,987,885.24 : 5,503,755.06 = 2,245,610.88 : x - Step 2: Convert to fraction form
3,987,885.24/5,503,755.06 = 2,245,610.88/x - Step 3: Cross multiply
3,987,885.24x = 5,503,755.06 × 2,245,610.88 - Step 4: Simplify right side
3,987,885.24x = 12,359,292,243,591.05 - Step 5: Solve for x
x = 12,359,292,243,591.05/3,987,885.24 - Step 6: Final answer
x = 3,099,209.61
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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.