Finding the Fourth Proportional to 3,494,533.05, 4,822,445.75 and 1,966,640.18
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Solution
The fourth proportional to 3,494,533.05, 4,822,445.75 and 1,966,640.18 is: 2,713,957.89
Step by Step Solution
- Step 1: Write the proportion equation
3,494,533.05 : 4,822,445.75 = 1,966,640.18 : x - Step 2: Convert to fraction form
3,494,533.05/4,822,445.75 = 1,966,640.18/x - Step 3: Cross multiply
3,494,533.05x = 4,822,445.75 × 1,966,640.18 - Step 4: Simplify right side
3,494,533.05x = 9,484,015,543,874.81 - Step 5: Solve for x
x = 9,484,015,543,874.81/3,494,533.05 - Step 6: Final answer
x = 2,713,957.89
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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.