Finding the Fourth Proportional to 1,771,214.10, 2,656,821.15 and 1,416,920.10
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Solution
The fourth proportional to 1,771,214.10, 2,656,821.15 and 1,416,920.10 is: 2,125,380.15
Step by Step Solution
- Step 1: Write the proportion equation
1,771,214.10 : 2,656,821.15 = 1,416,920.10 : x - Step 2: Convert to fraction form
1,771,214.10/2,656,821.15 = 1,416,920.10/x - Step 3: Cross multiply
1,771,214.10x = 2,656,821.15 × 1,416,920.10 - Step 4: Simplify right side
1,771,214.10x = 3,764,503,289,540.12 - Step 5: Solve for x
x = 3,764,503,289,540.12/1,771,214.10 - Step 6: Final answer
x = 2,125,380.15
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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.