Finding the Fourth Proportional to 4,962,676.08, 7,438,721.46 and 2,828,164.08
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Solution
The fourth proportional to 4,962,676.08, 7,438,721.46 and 2,828,164.08 is: 4,239,229.90
Step by Step Solution
- Step 1: Write the proportion equation
4,962,676.08 : 7,438,721.46 = 2,828,164.08 : x - Step 2: Convert to fraction form
4,962,676.08/7,438,721.46 = 2,828,164.08/x - Step 3: Cross multiply
4,962,676.08x = 7,438,721.46 × 2,828,164.08 - Step 4: Simplify right side
4,962,676.08x = 21,037,924,834,297.16 - Step 5: Solve for x
x = 21,037,924,834,297.16/4,962,676.08 - Step 6: Final answer
x = 4,239,229.90
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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.