Finding the Fourth Proportional to 5,544,853.70, 7,648,704.79 and 3,338,181.63
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Solution
The fourth proportional to 5,544,853.70, 7,648,704.79 and 3,338,181.63 is: 4,604,768.17
Step by Step Solution
- Step 1: Write the proportion equation
5,544,853.70 : 7,648,704.79 = 3,338,181.63 : x - Step 2: Convert to fraction form
5,544,853.70/7,648,704.79 = 3,338,181.63/x - Step 3: Cross multiply
5,544,853.70x = 7,648,704.79 × 3,338,181.63 - Step 4: Simplify right side
5,544,853.70x = 25,532,765,823,271.01 - Step 5: Solve for x
x = 25,532,765,823,271.01/5,544,853.70 - Step 6: Final answer
x = 4,604,768.17
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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.