Finding the Fourth Proportional to 3,278,500.76, 4,524,653.58 and 1,989,239.96
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Solution
The fourth proportional to 3,278,500.76, 4,524,653.58 and 1,989,239.96 is: 2,745,346.84
Step by Step Solution
- Step 1: Write the proportion equation
3,278,500.76 : 4,524,653.58 = 1,989,239.96 : x - Step 2: Convert to fraction form
3,278,500.76/4,524,653.58 = 1,989,239.96/x - Step 3: Cross multiply
3,278,500.76x = 4,524,653.58 × 1,989,239.96 - Step 4: Simplify right side
3,278,500.76x = 9,000,621,706,493.06 - Step 5: Solve for x
x = 9,000,621,706,493.06/3,278,500.76 - Step 6: Final answer
x = 2,745,346.84
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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.