Finding the Fourth Proportional to 2,687,981.68, 3,709,413.06 and 1,480,757.68
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Solution
The fourth proportional to 2,687,981.68, 3,709,413.06 and 1,480,757.68 is: 2,043,444.68
Step by Step Solution
- Step 1: Write the proportion equation
2,687,981.68 : 3,709,413.06 = 1,480,757.68 : x - Step 2: Convert to fraction form
2,687,981.68/3,709,413.06 = 1,480,757.68/x - Step 3: Cross multiply
2,687,981.68x = 3,709,413.06 × 1,480,757.68 - Step 4: Simplify right side
2,687,981.68x = 5,492,741,876,887.30 - Step 5: Solve for x
x = 5,492,741,876,887.30/2,687,981.68 - Step 6: Final answer
x = 2,043,444.68
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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.