Finding the Fourth Proportional to 4,945,791.49, 6,825,232.34 and 2,740,691.15
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Solution
The fourth proportional to 4,945,791.49, 6,825,232.34 and 2,740,691.15 is: 3,782,175.99
Step by Step Solution
- Step 1: Write the proportion equation
4,945,791.49 : 6,825,232.34 = 2,740,691.15 : x - Step 2: Convert to fraction form
4,945,791.49/6,825,232.34 = 2,740,691.15/x - Step 3: Cross multiply
4,945,791.49x = 6,825,232.34 × 2,740,691.15 - Step 4: Simplify right side
4,945,791.49x = 18,705,853,823,102.17 - Step 5: Solve for x
x = 18,705,853,823,102.17/4,945,791.49 - Step 6: Final answer
x = 3,782,175.99
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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.