Finding the Fourth Proportional to 2,660,121.84, 3,663,236.24 and 2,311,100.88
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Solution
The fourth proportional to 2,660,121.84, 3,663,236.24 and 2,311,100.88 is: 3,182,601.78
Step by Step Solution
- Step 1: Write the proportion equation
2,660,121.84 : 3,663,236.24 = 2,311,100.88 : x - Step 2: Convert to fraction form
2,660,121.84/3,663,236.24 = 2,311,100.88/x - Step 3: Cross multiply
2,660,121.84x = 3,663,236.24 × 2,311,100.88 - Step 4: Simplify right side
2,660,121.84x = 8,466,108,497,911.89 - Step 5: Solve for x
x = 8,466,108,497,911.89/2,660,121.84 - Step 6: Final answer
x = 3,182,601.78
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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.