Finding the Fourth Proportional to 3,005,393.82, 4,147,434.87 and 1,647,262.62
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Solution
The fourth proportional to 3,005,393.82, 4,147,434.87 and 1,647,262.62 is: 2,273,217.70
Step by Step Solution
- Step 1: Write the proportion equation
3,005,393.82 : 4,147,434.87 = 1,647,262.62 : x - Step 2: Convert to fraction form
3,005,393.82/4,147,434.87 = 1,647,262.62/x - Step 3: Cross multiply
3,005,393.82x = 4,147,434.87 × 1,647,262.62 - Step 4: Simplify right side
3,005,393.82x = 6,831,914,430,235.56 - Step 5: Solve for x
x = 6,831,914,430,235.56/3,005,393.82 - Step 6: Final answer
x = 2,273,217.70
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1.5x scale
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.