Finding the Fourth Proportional to 5,257,418.40, 7,888,201.20 and 2,062,000.80
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Solution
The fourth proportional to 5,257,418.40, 7,888,201.20 and 2,062,000.80 is: 3,093,814.48
Step by Step Solution
- Step 1: Write the proportion equation
5,257,418.40 : 7,888,201.20 = 2,062,000.80 : x - Step 2: Convert to fraction form
5,257,418.40/7,888,201.20 = 2,062,000.80/x - Step 3: Cross multiply
5,257,418.40x = 7,888,201.20 × 2,062,000.80 - Step 4: Simplify right side
5,257,418.40x = 16,265,477,184,960.96 - Step 5: Solve for x
x = 16,265,477,184,960.96/5,257,418.40 - Step 6: Final answer
x = 3,093,814.48
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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.