Finding the Fourth Proportional to 3,720,157.45, 5,578,819.75 and 2,204,268.14
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Solution
The fourth proportional to 3,720,157.45, 5,578,819.75 and 2,204,268.14 is: 3,305,562.95
Step by Step Solution
- Step 1: Write the proportion equation
3,720,157.45 : 5,578,819.75 = 2,204,268.14 : x - Step 2: Convert to fraction form
3,720,157.45/5,578,819.75 = 2,204,268.14/x - Step 3: Cross multiply
3,720,157.45x = 5,578,819.75 × 2,204,268.14 - Step 4: Simplify right side
3,720,157.45x = 12,297,214,633,727.77 - Step 5: Solve for x
x = 12,297,214,633,727.77/3,720,157.45 - Step 6: Final answer
x = 3,305,562.95
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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.