Finding the Fourth Proportional to 1,371,810.26, 1,893,413.07 and 912,944.18
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Solution
The fourth proportional to 1,371,810.26, 1,893,413.07 and 912,944.18 is: 1,260,072.54
Step by Step Solution
- Step 1: Write the proportion equation
1,371,810.26 : 1,893,413.07 = 912,944.18 : x - Step 2: Convert to fraction form
1,371,810.26/1,893,413.07 = 912,944.18/x - Step 3: Cross multiply
1,371,810.26x = 1,893,413.07 × 912,944.18 - Step 4: Simplify right side
1,371,810.26x = 1,728,580,447,325.97 - Step 5: Solve for x
x = 1,728,580,447,325.97/1,371,810.26 - Step 6: Final answer
x = 1,260,072.54
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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.