Finding the Fourth Proportional to 1,492,743.62, 2,239,191.98 and 427,794.90
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Solution
The fourth proportional to 1,492,743.62, 2,239,191.98 and 427,794.90 is: 641,714.29
Step by Step Solution
- Step 1: Write the proportion equation
1,492,743.62 : 2,239,191.98 = 427,794.90 : x - Step 2: Convert to fraction form
1,492,743.62/2,239,191.98 = 427,794.90/x - Step 3: Cross multiply
1,492,743.62x = 2,239,191.98 × 427,794.90 - Step 4: Simplify right side
1,492,743.62x = 957,914,907,025.93 - Step 5: Solve for x
x = 957,914,907,025.93/1,492,743.62 - Step 6: Final answer
x = 641,714.29
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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.