Finding the Fourth Proportional to 2,758,414.20, 4,137,621.30 and 865,152.60
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Solution
The fourth proportional to 2,758,414.20, 4,137,621.30 and 865,152.60 is: 1,297,728.90
Step by Step Solution
- Step 1: Write the proportion equation
2,758,414.20 : 4,137,621.30 = 865,152.60 : x - Step 2: Convert to fraction form
2,758,414.20/4,137,621.30 = 865,152.60/x - Step 3: Cross multiply
2,758,414.20x = 4,137,621.30 × 865,152.60 - Step 4: Simplify right side
2,758,414.20x = 3,579,673,825,510.38 - Step 5: Solve for x
x = 3,579,673,825,510.38/2,758,414.20 - Step 6: Final answer
x = 1,297,728.90
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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.