Finding the Fourth Proportional to 3,612,214.20, 5,418,310.50 and 916,534.20
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Solution
The fourth proportional to 3,612,214.20, 5,418,310.50 and 916,534.20 is: 1,374,798.56
Step by Step Solution
- Step 1: Write the proportion equation
3,612,214.20 : 5,418,310.50 = 916,534.20 : x - Step 2: Convert to fraction form
3,612,214.20/5,418,310.50 = 916,534.20/x - Step 3: Cross multiply
3,612,214.20x = 5,418,310.50 × 916,534.20 - Step 4: Simplify right side
3,612,214.20x = 4,966,066,879,469.10 - Step 5: Solve for x
x = 4,966,066,879,469.10/3,612,214.20 - Step 6: Final answer
x = 1,374,798.56
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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.