Finding the Fourth Proportional to 5,027,759.26, 7,542,819.68 and 1,661,966.14
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Solution
The fourth proportional to 5,027,759.26, 7,542,819.68 and 1,661,966.14 is: 2,493,339.53
Step by Step Solution
- Step 1: Write the proportion equation
5,027,759.26 : 7,542,819.68 = 1,661,966.14 : x - Step 2: Convert to fraction form
5,027,759.26/7,542,819.68 = 1,661,966.14/x - Step 3: Cross multiply
5,027,759.26x = 7,542,819.68 × 1,661,966.14 - Step 4: Simplify right side
5,027,759.26x = 12,535,910,908,285.63 - Step 5: Solve for x
x = 12,535,910,908,285.63/5,027,759.26 - Step 6: Final answer
x = 2,493,339.53
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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.