Finding the Fourth Proportional to 2,431,369.46, 3,643,794.20 and 1,892,276.70
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Solution
The fourth proportional to 2,431,369.46, 3,643,794.20 and 1,892,276.70 is: 2,835,877.88
Step by Step Solution
- Step 1: Write the proportion equation
2,431,369.46 : 3,643,794.20 = 1,892,276.70 : x - Step 2: Convert to fraction form
2,431,369.46/3,643,794.20 = 1,892,276.70/x - Step 3: Cross multiply
2,431,369.46x = 3,643,794.20 × 1,892,276.70 - Step 4: Simplify right side
2,431,369.46x = 6,895,066,864,255.14 - Step 5: Solve for x
x = 6,895,066,864,255.14/2,431,369.46 - Step 6: Final answer
x = 2,835,877.88
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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.