Finding the Fourth Proportional to 4,122,074.56, 6,184,891.68 and 2,230,147.84
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Solution
The fourth proportional to 4,122,074.56, 6,184,891.68 and 2,230,147.84 is: 3,346,184.70
Step by Step Solution
- Step 1: Write the proportion equation
4,122,074.56 : 6,184,891.68 = 2,230,147.84 : x - Step 2: Convert to fraction form
4,122,074.56/6,184,891.68 = 2,230,147.84/x - Step 3: Cross multiply
4,122,074.56x = 6,184,891.68 × 2,230,147.84 - Step 4: Simplify right side
4,122,074.56x = 13,793,222,820,785.97 - Step 5: Solve for x
x = 13,793,222,820,785.97/4,122,074.56 - Step 6: Final answer
x = 3,346,184.70
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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.