Finding the Fourth Proportional to 3,812,145.21, 5,718,219.84 and 2,393,197.74
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Solution
The fourth proportional to 3,812,145.21, 5,718,219.84 and 2,393,197.74 is: 3,589,797.88
Step by Step Solution
- Step 1: Write the proportion equation
3,812,145.21 : 5,718,219.84 = 2,393,197.74 : x - Step 2: Convert to fraction form
3,812,145.21/5,718,219.84 = 2,393,197.74/x - Step 3: Cross multiply
3,812,145.21x = 5,718,219.84 × 2,393,197.74 - Step 4: Simplify right side
3,812,145.21x = 13,684,830,797,911.16 - Step 5: Solve for x
x = 13,684,830,797,911.16/3,812,145.21 - Step 6: Final answer
x = 3,589,797.88
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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.