Finding the Fourth Proportional to 1,489,765.70, 2,234,648.55 and 1,396,453.70
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Solution
The fourth proportional to 1,489,765.70, 2,234,648.55 and 1,396,453.70 is: 2,094,680.55
Step by Step Solution
- Step 1: Write the proportion equation
1,489,765.70 : 2,234,648.55 = 1,396,453.70 : x - Step 2: Convert to fraction form
1,489,765.70/2,234,648.55 = 1,396,453.70/x - Step 3: Cross multiply
1,489,765.70x = 2,234,648.55 × 1,396,453.70 - Step 4: Simplify right side
1,489,765.70x = 3,120,583,235,847.14 - Step 5: Solve for x
x = 3,120,583,235,847.14/1,489,765.70 - Step 6: Final answer
x = 2,094,680.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.