Finding the Fourth Proportional to 3,874,329.92, 5,813,166.24 and 1,478,893.76
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Solution
The fourth proportional to 3,874,329.92, 5,813,166.24 and 1,478,893.76 is: 2,218,978.62
Step by Step Solution
- Step 1: Write the proportion equation
3,874,329.92 : 5,813,166.24 = 1,478,893.76 : x - Step 2: Convert to fraction form
3,874,329.92/5,813,166.24 = 1,478,893.76/x - Step 3: Cross multiply
3,874,329.92x = 5,813,166.24 × 1,478,893.76 - Step 4: Simplify right side
3,874,329.92x = 8,597,055,278,178.66 - Step 5: Solve for x
x = 8,597,055,278,178.66/3,874,329.92 - Step 6: Final answer
x = 2,218,978.62
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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.