Finding the Fourth Proportional to 1,992,071.70, 2,988,107.55 and 496,163.70
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Solution
The fourth proportional to 1,992,071.70, 2,988,107.55 and 496,163.70 is: 744,245.55
Step by Step Solution
- Step 1: Write the proportion equation
1,992,071.70 : 2,988,107.55 = 496,163.70 : x - Step 2: Convert to fraction form
1,992,071.70/2,988,107.55 = 496,163.70/x - Step 3: Cross multiply
1,992,071.70x = 2,988,107.55 × 496,163.70 - Step 4: Simplify right side
1,992,071.70x = 1,482,590,498,005.94 - Step 5: Solve for x
x = 1,482,590,498,005.94/1,992,071.70 - Step 6: Final answer
x = 744,245.55
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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.