Finding the Fourth Proportional to 2,288,367.12, 3,431,221.44 and 867,648.18
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Solution
The fourth proportional to 2,288,367.12, 3,431,221.44 and 867,648.18 is: 1,300,968.28
Step by Step Solution
- Step 1: Write the proportion equation
2,288,367.12 : 3,431,221.44 = 867,648.18 : x - Step 2: Convert to fraction form
2,288,367.12/3,431,221.44 = 867,648.18/x - Step 3: Cross multiply
2,288,367.12x = 3,431,221.44 × 867,648.18 - Step 4: Simplify right side
2,288,367.12x = 2,977,093,037,592.98 - Step 5: Solve for x
x = 2,977,093,037,592.98/2,288,367.12 - Step 6: Final answer
x = 1,300,968.28
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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.