Finding the Fourth Proportional to 3,940,014.18, 5,910,022.35 and 948,198.18
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Solution
The fourth proportional to 3,940,014.18, 5,910,022.35 and 948,198.18 is: 1,422,297.53
Step by Step Solution
- Step 1: Write the proportion equation
3,940,014.18 : 5,910,022.35 = 948,198.18 : x - Step 2: Convert to fraction form
3,940,014.18/5,910,022.35 = 948,198.18/x - Step 3: Cross multiply
3,940,014.18x = 5,910,022.35 × 948,198.18 - Step 4: Simplify right side
3,940,014.18x = 5,603,872,436,029.32 - Step 5: Solve for x
x = 5,603,872,436,029.32/3,940,014.18 - Step 6: Final answer
x = 1,422,297.53
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1.5x scale
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.