Finding the Fourth Proportional to 3,380,385.50, 4,664,936.09 and 1,831,645.95
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Solution
The fourth proportional to 3,380,385.50, 4,664,936.09 and 1,831,645.95 is: 2,527,673.63
Step by Step Solution
- Step 1: Write the proportion equation
3,380,385.50 : 4,664,936.09 = 1,831,645.95 : x - Step 2: Convert to fraction form
3,380,385.50/4,664,936.09 = 1,831,645.95/x - Step 3: Cross multiply
3,380,385.50x = 4,664,936.09 × 1,831,645.95 - Step 4: Simplify right side
3,380,385.50x = 8,544,511,287,099.11 - Step 5: Solve for x
x = 8,544,511,287,099.11/3,380,385.50 - Step 6: Final answer
x = 2,527,673.63
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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.