Finding the Fourth Proportional to 4,313,930.76, 5,955,381.72 and 2,682,863.55
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Solution
The fourth proportional to 4,313,930.76, 5,955,381.72 and 2,682,863.55 is: 3,703,693.32
Step by Step Solution
- Step 1: Write the proportion equation
4,313,930.76 : 5,955,381.72 = 2,682,863.55 : x - Step 2: Convert to fraction form
4,313,930.76/5,955,381.72 = 2,682,863.55/x - Step 3: Cross multiply
4,313,930.76x = 5,955,381.72 × 2,682,863.55 - Step 4: Simplify right side
4,313,930.76x = 15,977,476,542,924.30 - Step 5: Solve for x
x = 15,977,476,542,924.30/4,313,930.76 - Step 6: Final answer
x = 3,703,693.32
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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.