Finding the Fourth Proportional to 3,393,745.71, 4,684,878.84 and 2,017,535.05
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Solution
The fourth proportional to 3,393,745.71, 4,684,878.84 and 2,017,535.05 is: 2,785,095.90
Step by Step Solution
- Step 1: Write the proportion equation
3,393,745.71 : 4,684,878.84 = 2,017,535.05 : x - Step 2: Convert to fraction form
3,393,745.71/4,684,878.84 = 2,017,535.05/x - Step 3: Cross multiply
3,393,745.71x = 4,684,878.84 × 2,017,535.05 - Step 4: Simplify right side
3,393,745.71x = 9,451,907,264,703.34 - Step 5: Solve for x
x = 9,451,907,264,703.34/3,393,745.71 - Step 6: Final answer
x = 2,785,095.90
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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.