Finding the Fourth Proportional to 4,743,442.12, 7,103,692.34 and 2,715,535.42
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Solution
The fourth proportional to 4,743,442.12, 7,103,692.34 and 2,715,535.42 is: 4,066,736.28
Step by Step Solution
- Step 1: Write the proportion equation
4,743,442.12 : 7,103,692.34 = 2,715,535.42 : x - Step 2: Convert to fraction form
4,743,442.12/7,103,692.34 = 2,715,535.42/x - Step 3: Cross multiply
4,743,442.12x = 7,103,692.34 × 2,715,535.42 - Step 4: Simplify right side
4,743,442.12x = 19,290,328,162,052.68 - Step 5: Solve for x
x = 19,290,328,162,052.68/4,743,442.12 - Step 6: Final answer
x = 4,066,736.28
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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.