Finding the Fourth Proportional to 4,278,107.34, 6,412,843.05 and 2,681,791.44
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Solution
The fourth proportional to 4,278,107.34, 6,412,843.05 and 2,681,791.44 is: 4,019,980.38
Step by Step Solution
- Step 1: Write the proportion equation
4,278,107.34 : 6,412,843.05 = 2,681,791.44 : x - Step 2: Convert to fraction form
4,278,107.34/6,412,843.05 = 2,681,791.44/x - Step 3: Cross multiply
4,278,107.34x = 6,412,843.05 × 2,681,791.44 - Step 4: Simplify right side
4,278,107.34x = 17,197,907,578,533.69 - Step 5: Solve for x
x = 17,197,907,578,533.69/4,278,107.34 - Step 6: Final answer
x = 4,019,980.38
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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.