Finding the Fourth Proportional to 1,977,413.68, 2,728,852.37 and 1,161,651.75
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Solution
The fourth proportional to 1,977,413.68, 2,728,852.37 and 1,161,651.75 is: 1,603,092.04
Step by Step Solution
- Step 1: Write the proportion equation
1,977,413.68 : 2,728,852.37 = 1,161,651.75 : x - Step 2: Convert to fraction form
1,977,413.68/2,728,852.37 = 1,161,651.75/x - Step 3: Cross multiply
1,977,413.68x = 2,728,852.37 × 1,161,651.75 - Step 4: Simplify right side
1,977,413.68x = 3,169,976,131,102.15 - Step 5: Solve for x
x = 3,169,976,131,102.15/1,977,413.68 - Step 6: Final answer
x = 1,603,092.04
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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.