Finding the Fourth Proportional to 3,517,642.80, 5,276,464.20 and 858,250.80
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Solution
The fourth proportional to 3,517,642.80, 5,276,464.20 and 858,250.80 is: 1,287,376.20
Step by Step Solution
- Step 1: Write the proportion equation
3,517,642.80 : 5,276,464.20 = 858,250.80 : x - Step 2: Convert to fraction form
3,517,642.80/5,276,464.20 = 858,250.80/x - Step 3: Cross multiply
3,517,642.80x = 5,276,464.20 × 858,250.80 - Step 4: Simplify right side
3,517,642.80x = 4,528,529,620,821.36 - Step 5: Solve for x
x = 4,528,529,620,821.36/3,517,642.80 - Step 6: Final answer
x = 1,287,376.20
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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.