Finding the Fourth Proportional to 3,831,769.77, 5,285,863.40 and 2,380,913.97
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Solution
The fourth proportional to 3,831,769.77, 5,285,863.40 and 2,380,913.97 is: 3,284,431.67
Step by Step Solution
- Step 1: Write the proportion equation
3,831,769.77 : 5,285,863.40 = 2,380,913.97 : x - Step 2: Convert to fraction form
3,831,769.77/5,285,863.40 = 2,380,913.97/x - Step 3: Cross multiply
3,831,769.77x = 5,285,863.40 × 2,380,913.97 - Step 4: Simplify right side
3,831,769.77x = 12,585,186,000,667.13 - Step 5: Solve for x
x = 12,585,186,000,667.13/3,831,769.77 - Step 6: Final answer
x = 3,284,431.67
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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.