Finding the Fourth Proportional to 4,886,171.46, 6,740,115.14 and 3,047,437.49
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Solution
The fourth proportional to 4,886,171.46, 6,740,115.14 and 3,047,437.49 is: 4,203,716.49
Step by Step Solution
- Step 1: Write the proportion equation
4,886,171.46 : 6,740,115.14 = 3,047,437.49 : x - Step 2: Convert to fraction form
4,886,171.46/6,740,115.14 = 3,047,437.49/x - Step 3: Cross multiply
4,886,171.46x = 6,740,115.14 × 3,047,437.49 - Step 4: Simplify right side
4,886,171.46x = 20,540,079,538,470.62 - Step 5: Solve for x
x = 20,540,079,538,470.62/4,886,171.46 - Step 6: Final answer
x = 4,203,716.49
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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.