Finding the Fourth Proportional to 6,875,629.97, 10,313,446.86 and 2,557,115.91
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Solution
The fourth proportional to 6,875,629.97, 10,313,446.86 and 2,557,115.91 is: 3,835,674.58
Step by Step Solution
- Step 1: Write the proportion equation
6,875,629.97 : 10,313,446.86 = 2,557,115.91 : x - Step 2: Convert to fraction form
6,875,629.97/10,313,446.86 = 2,557,115.91/x - Step 3: Cross multiply
6,875,629.97x = 10,313,446.86 × 2,557,115.91 - Step 4: Simplify right side
6,875,629.97x = 26,372,679,052,645.54 - Step 5: Solve for x
x = 26,372,679,052,645.54/6,875,629.97 - Step 6: Final answer
x = 3,835,674.58
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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.