Finding the Fourth Proportional to 4,916,963.70, 7,375,445.55 and 1,925,147.70
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Solution
The fourth proportional to 4,916,963.70, 7,375,445.55 and 1,925,147.70 is: 2,887,721.55
Step by Step Solution
- Step 1: Write the proportion equation
4,916,963.70 : 7,375,445.55 = 1,925,147.70 : x - Step 2: Convert to fraction form
4,916,963.70/7,375,445.55 = 1,925,147.70/x - Step 3: Cross multiply
4,916,963.70x = 7,375,445.55 × 1,925,147.70 - Step 4: Simplify right side
4,916,963.70x = 14,198,822,037,057.73 - Step 5: Solve for x
x = 14,198,822,037,057.73/4,916,963.70 - Step 6: Final answer
x = 2,887,721.55
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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.