Finding the Fourth Proportional to 3,082,157.19, 4,253,145.98 and 1,723,767.75
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Solution
The fourth proportional to 3,082,157.19, 4,253,145.98 and 1,723,767.75 is: 2,378,670.33
Step by Step Solution
- Step 1: Write the proportion equation
3,082,157.19 : 4,253,145.98 = 1,723,767.75 : x - Step 2: Convert to fraction form
3,082,157.19/4,253,145.98 = 1,723,767.75/x - Step 3: Cross multiply
3,082,157.19x = 4,253,145.98 × 1,723,767.75 - Step 4: Simplify right side
3,082,157.19x = 7,331,435,867,747.31 - Step 5: Solve for x
x = 7,331,435,867,747.31/3,082,157.19 - Step 6: Final answer
x = 2,378,670.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.