Finding the Fourth Proportional to 6,840,821.52, 9,436,220.52 and 4,517,735.44
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Solution
The fourth proportional to 6,840,821.52, 9,436,220.52 and 4,517,735.44 is: 6,231,758.53
Step by Step Solution
- Step 1: Write the proportion equation
6,840,821.52 : 9,436,220.52 = 4,517,735.44 : x - Step 2: Convert to fraction form
6,840,821.52/9,436,220.52 = 4,517,735.44/x - Step 3: Cross multiply
6,840,821.52x = 9,436,220.52 × 4,517,735.44 - Step 4: Simplify right side
6,840,821.52x = 42,630,347,862,859.23 - Step 5: Solve for x
x = 42,630,347,862,859.23/6,840,821.52 - Step 6: Final answer
x = 6,231,758.53
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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.