Finding the Fourth Proportional to 3,555,919.12, 5,334,049.68 and 1,159,759.12
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Solution
The fourth proportional to 3,555,919.12, 5,334,049.68 and 1,159,759.12 is: 1,739,694.45
Step by Step Solution
- Step 1: Write the proportion equation
3,555,919.12 : 5,334,049.68 = 1,159,759.12 : x - Step 2: Convert to fraction form
3,555,919.12/5,334,049.68 = 1,159,759.12/x - Step 3: Cross multiply
3,555,919.12x = 5,334,049.68 × 1,159,759.12 - Step 4: Simplify right side
3,555,919.12x = 6,186,212,762,913.08 - Step 5: Solve for x
x = 6,186,212,762,913.08/3,555,919.12 - Step 6: Final answer
x = 1,739,694.45
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1.5x scale
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.