Finding the Fourth Proportional to 4,930,857.81, 7,396,286.58 and 1,336,624.71
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Solution
The fourth proportional to 4,930,857.81, 7,396,286.58 and 1,336,624.71 is: 2,004,937.03
Step by Step Solution
- Step 1: Write the proportion equation
4,930,857.81 : 7,396,286.58 = 1,336,624.71 : x - Step 2: Convert to fraction form
4,930,857.81/7,396,286.58 = 1,336,624.71/x - Step 3: Cross multiply
4,930,857.81x = 7,396,286.58 × 1,336,624.71 - Step 4: Simplify right side
4,930,857.81x = 9,886,059,405,069.39 - Step 5: Solve for x
x = 9,886,059,405,069.39/4,930,857.81 - Step 6: Final answer
x = 2,004,937.03
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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.