Finding the Fourth Proportional to 3,625,961.40, 5,433,037.20 and 2,669,367.60
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Solution
The fourth proportional to 3,625,961.40, 5,433,037.20 and 2,669,367.60 is: 3,999,704.32
Step by Step Solution
- Step 1: Write the proportion equation
3,625,961.40 : 5,433,037.20 = 2,669,367.60 : x - Step 2: Convert to fraction form
3,625,961.40/5,433,037.20 = 2,669,367.60/x - Step 3: Cross multiply
3,625,961.40x = 5,433,037.20 × 2,669,367.60 - Step 4: Simplify right side
3,625,961.40x = 14,502,773,471,274.72 - Step 5: Solve for x
x = 14,502,773,471,274.72/3,625,961.40 - Step 6: Final answer
x = 3,999,704.32
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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.