Finding the Fourth Proportional to 1,943,413.50, 2,681,903.70 and 1,083,973.14
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Solution
The fourth proportional to 1,943,413.50, 2,681,903.70 and 1,083,973.14 is: 1,495,879.07
Step by Step Solution
- Step 1: Write the proportion equation
1,943,413.50 : 2,681,903.70 = 1,083,973.14 : x - Step 2: Convert to fraction form
1,943,413.50/2,681,903.70 = 1,083,973.14/x - Step 3: Cross multiply
1,943,413.50x = 2,681,903.70 × 1,083,973.14 - Step 4: Simplify right side
1,943,413.50x = 2,907,111,574,866.62 - Step 5: Solve for x
x = 2,907,111,574,866.62/1,943,413.50 - Step 6: Final answer
x = 1,495,879.07
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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.