Finding the Fourth Proportional to 4,910,078.62, 7,365,118.50 and 1,498,383.09
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Solution
The fourth proportional to 4,910,078.62, 7,365,118.50 and 1,498,383.09 is: 2,247,574.81
Step by Step Solution
- Step 1: Write the proportion equation
4,910,078.62 : 7,365,118.50 = 1,498,383.09 : x - Step 2: Convert to fraction form
4,910,078.62/7,365,118.50 = 1,498,383.09/x - Step 3: Cross multiply
4,910,078.62x = 7,365,118.50 × 1,498,383.09 - Step 4: Simplify right side
4,910,078.62x = 11,035,769,008,754.25 - Step 5: Solve for x
x = 11,035,769,008,754.25/4,910,078.62 - Step 6: Final answer
x = 2,247,574.81
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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.