Finding the Fourth Proportional to 3,416,216.14, 5,124,324.21 and 1,395,413.56
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Solution
The fourth proportional to 3,416,216.14, 5,124,324.21 and 1,395,413.56 is: 2,093,120.34
Step by Step Solution
- Step 1: Write the proportion equation
3,416,216.14 : 5,124,324.21 = 1,395,413.56 : x - Step 2: Convert to fraction form
3,416,216.14/5,124,324.21 = 1,395,413.56/x - Step 3: Cross multiply
3,416,216.14x = 5,124,324.21 × 1,395,413.56 - Step 4: Simplify right side
3,416,216.14x = 7,150,551,488,470.29 - Step 5: Solve for x
x = 7,150,551,488,470.29/3,416,216.14 - Step 6: Final answer
x = 2,093,120.34
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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.