Finding the Fourth Proportional to 1,841,511.64, 2,541,413.67 and 1,116,389.92
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Solution
The fourth proportional to 1,841,511.64, 2,541,413.67 and 1,116,389.92 is: 1,540,695.45
Step by Step Solution
- Step 1: Write the proportion equation
1,841,511.64 : 2,541,413.67 = 1,116,389.92 : x - Step 2: Convert to fraction form
1,841,511.64/2,541,413.67 = 1,116,389.92/x - Step 3: Cross multiply
1,841,511.64x = 2,541,413.67 × 1,116,389.92 - Step 4: Simplify right side
1,841,511.64x = 2,837,208,603,738.21 - Step 5: Solve for x
x = 2,837,208,603,738.21/1,841,511.64 - Step 6: Final answer
x = 1,540,695.45
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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.