Finding the Fourth Proportional to 5,138,049.44, 7,090,413.36 and 2,846,159.84
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Solution
The fourth proportional to 5,138,049.44, 7,090,413.36 and 2,846,159.84 is: 3,927,648.03
Step by Step Solution
- Step 1: Write the proportion equation
5,138,049.44 : 7,090,413.36 = 2,846,159.84 : x - Step 2: Convert to fraction form
5,138,049.44/7,090,413.36 = 2,846,159.84/x - Step 3: Cross multiply
5,138,049.44x = 7,090,413.36 × 2,846,159.84 - Step 4: Simplify right side
5,138,049.44x = 20,180,449,754,231.46 - Step 5: Solve for x
x = 20,180,449,754,231.46/5,138,049.44 - Step 6: Final answer
x = 3,927,648.03
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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.