Finding the Fourth Proportional to 3,342,157.18, 4,612,190.76 and 1,892,132.44
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Solution
The fourth proportional to 3,342,157.18, 4,612,190.76 and 1,892,132.44 is: 2,611,150.61
Step by Step Solution
- Step 1: Write the proportion equation
3,342,157.18 : 4,612,190.76 = 1,892,132.44 : x - Step 2: Convert to fraction form
3,342,157.18/4,612,190.76 = 1,892,132.44/x - Step 3: Cross multiply
3,342,157.18x = 4,612,190.76 × 1,892,132.44 - Step 4: Simplify right side
3,342,157.18x = 8,726,875,756,464.25 - Step 5: Solve for x
x = 8,726,875,756,464.25/3,342,157.18 - Step 6: Final answer
x = 2,611,150.61
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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.