Finding the Fourth Proportional to 4,823,761.88, 7,226,185.26 and 2,797,749.38
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Solution
The fourth proportional to 4,823,761.88, 7,226,185.26 and 2,797,749.38 is: 4,191,138.75
Step by Step Solution
- Step 1: Write the proportion equation
4,823,761.88 : 7,226,185.26 = 2,797,749.38 : x - Step 2: Convert to fraction form
4,823,761.88/7,226,185.26 = 2,797,749.38/x - Step 3: Cross multiply
4,823,761.88x = 7,226,185.26 × 2,797,749.38 - Step 4: Simplify right side
4,823,761.88x = 20,217,055,330,930.14 - Step 5: Solve for x
x = 20,217,055,330,930.14/4,823,761.88 - Step 6: Final answer
x = 4,191,138.75
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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.