Finding the Fourth Proportional to 3,166,236.12, 4,749,431.94 and 891,745.13
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Solution
The fourth proportional to 3,166,236.12, 4,749,431.94 and 891,745.13 is: 1,337,639.59
Step by Step Solution
- Step 1: Write the proportion equation
3,166,236.12 : 4,749,431.94 = 891,745.13 : x - Step 2: Convert to fraction form
3,166,236.12/4,749,431.94 = 891,745.13/x - Step 3: Cross multiply
3,166,236.12x = 4,749,431.94 × 891,745.13 - Step 4: Simplify right side
3,166,236.12x = 4,235,282,790,836.27 - Step 5: Solve for x
x = 4,235,282,790,836.27/3,166,236.12 - Step 6: Final answer
x = 1,337,639.59
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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.