Finding the Fourth Proportional to 1,901,935.20, 2,848,170.42 and 1,330,641.59
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Solution
The fourth proportional to 1,901,935.20, 2,848,170.42 and 1,330,641.59 is: 1,992,651.50
Step by Step Solution
- Step 1: Write the proportion equation
1,901,935.20 : 2,848,170.42 = 1,330,641.59 : x - Step 2: Convert to fraction form
1,901,935.20/2,848,170.42 = 1,330,641.59/x - Step 3: Cross multiply
1,901,935.20x = 2,848,170.42 × 1,330,641.59 - Step 4: Simplify right side
1,901,935.20x = 3,789,894,027,790.23 - Step 5: Solve for x
x = 3,789,894,027,790.23/1,901,935.20 - Step 6: Final answer
x = 1,992,651.50
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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.