Finding the Fourth Proportional to 2,088,745.52, 2,883,413.09 and 1,315,512.63
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Solution
The fourth proportional to 2,088,745.52, 2,883,413.09 and 1,315,512.63 is: 1,816,002.15
Step by Step Solution
- Step 1: Write the proportion equation
2,088,745.52 : 2,883,413.09 = 1,315,512.63 : x - Step 2: Convert to fraction form
2,088,745.52/2,883,413.09 = 1,315,512.63/x - Step 3: Cross multiply
2,088,745.52x = 2,883,413.09 × 1,315,512.63 - Step 4: Simplify right side
2,088,745.52x = 3,793,166,340,691.11 - Step 5: Solve for x
x = 3,793,166,340,691.11/2,088,745.52 - Step 6: Final answer
x = 1,816,002.15
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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.