Finding the Fourth Proportional to 2,665,396.20, 3,998,106.02 and 843,770.09
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Solution
The fourth proportional to 2,665,396.20, 3,998,106.02 and 843,770.09 is: 1,265,658.85
Step by Step Solution
- Step 1: Write the proportion equation
2,665,396.20 : 3,998,106.02 = 843,770.09 : x - Step 2: Convert to fraction form
2,665,396.20/3,998,106.02 = 843,770.09/x - Step 3: Cross multiply
2,665,396.20x = 3,998,106.02 × 843,770.09 - Step 4: Simplify right side
2,665,396.20x = 3,373,482,282,101.36 - Step 5: Solve for x
x = 3,373,482,282,101.36/2,665,396.20 - Step 6: Final answer
x = 1,265,658.85
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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.