Finding the Fourth Proportional to 3,855,918.82, 5,320,963.14 and 2,224,229.11
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Solution
The fourth proportional to 3,855,918.82, 5,320,963.14 and 2,224,229.11 is: 3,069,318.01
Step by Step Solution
- Step 1: Write the proportion equation
3,855,918.82 : 5,320,963.14 = 2,224,229.11 : x - Step 2: Convert to fraction form
3,855,918.82/5,320,963.14 = 2,224,229.11/x - Step 3: Cross multiply
3,855,918.82x = 5,320,963.14 × 2,224,229.11 - Step 4: Simplify right side
3,855,918.82x = 11,835,041,082,620.19 - Step 5: Solve for x
x = 11,835,041,082,620.19/3,855,918.82 - Step 6: Final answer
x = 3,069,318.01
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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.