Finding the Fourth Proportional to 3,253,974.82, 4,879,432.32 and 1,203,218.44
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Solution
The fourth proportional to 3,253,974.82, 4,879,432.32 and 1,203,218.44 is: 1,804,261.95
Step by Step Solution
- Step 1: Write the proportion equation
3,253,974.82 : 4,879,432.32 = 1,203,218.44 : x - Step 2: Convert to fraction form
3,253,974.82/4,879,432.32 = 1,203,218.44/x - Step 3: Cross multiply
3,253,974.82x = 4,879,432.32 × 1,203,218.44 - Step 4: Simplify right side
3,253,974.82x = 5,871,022,944,155.98 - Step 5: Solve for x
x = 5,871,022,944,155.98/3,253,974.82 - Step 6: Final answer
x = 1,804,261.95
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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.