Finding the Fourth Proportional to 3,611,811.12, 4,984,108.62 and 2,062,766.32
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Solution
The fourth proportional to 3,611,811.12, 4,984,108.62 and 2,062,766.32 is: 2,846,508.59
Step by Step Solution
- Step 1: Write the proportion equation
3,611,811.12 : 4,984,108.62 = 2,062,766.32 : x - Step 2: Convert to fraction form
3,611,811.12/4,984,108.62 = 2,062,766.32/x - Step 3: Cross multiply
3,611,811.12x = 4,984,108.62 × 2,062,766.32 - Step 4: Simplify right side
3,611,811.12x = 10,281,051,396,557.68 - Step 5: Solve for x
x = 10,281,051,396,557.68/3,611,811.12 - Step 6: Final answer
x = 2,846,508.59
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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.