Finding the Fourth Proportional to 3,812,118.21, 5,718,179.14 and 2,393,170.74
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Solution
The fourth proportional to 3,812,118.21, 5,718,179.14 and 2,393,170.74 is: 3,589,757.25
Step by Step Solution
- Step 1: Write the proportion equation
3,812,118.21 : 5,718,179.14 = 2,393,170.74 : x - Step 2: Convert to fraction form
3,812,118.21/5,718,179.14 = 2,393,170.74/x - Step 3: Cross multiply
3,812,118.21x = 5,718,179.14 × 2,393,170.74 - Step 4: Simplify right side
3,812,118.21x = 13,684,578,997,943.44 - Step 5: Solve for x
x = 13,684,578,997,943.44/3,812,118.21 - Step 6: Final answer
x = 3,589,757.25
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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.