Finding the Fourth Proportional to 1,984,596.87, 2,740,286.36 and 1,524,986.97
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Solution
The fourth proportional to 1,984,596.87, 2,740,286.36 and 1,524,986.97 is: 2,105,667.43
Step by Step Solution
- Step 1: Write the proportion equation
1,984,596.87 : 2,740,286.36 = 1,524,986.97 : x - Step 2: Convert to fraction form
1,984,596.87/2,740,286.36 = 1,524,986.97/x - Step 3: Cross multiply
1,984,596.87x = 2,740,286.36 × 1,524,986.97 - Step 4: Simplify right side
1,984,596.87x = 4,178,900,985,443.79 - Step 5: Solve for x
x = 4,178,900,985,443.79/1,984,596.87 - Step 6: Final answer
x = 2,105,667.43
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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.