Finding the Fourth Proportional to 3,664,160.75, 5,490,636.28 and 1,958,546.79
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Solution
The fourth proportional to 3,664,160.75, 5,490,636.28 and 1,958,546.79 is: 2,934,824.31
Step by Step Solution
- Step 1: Write the proportion equation
3,664,160.75 : 5,490,636.28 = 1,958,546.79 : x - Step 2: Convert to fraction form
3,664,160.75/5,490,636.28 = 1,958,546.79/x - Step 3: Cross multiply
3,664,160.75x = 5,490,636.28 × 1,958,546.79 - Step 4: Simplify right side
3,664,160.75x = 10,753,668,056,355.17 - Step 5: Solve for x
x = 10,753,668,056,355.17/3,664,160.75 - Step 6: Final answer
x = 2,934,824.31
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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.