Finding the Fourth Proportional to 5,521,981.97, 8,282,661.41 and 2,447,087.21
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Solution
The fourth proportional to 5,521,981.97, 8,282,661.41 and 2,447,087.21 is: 3,670,492.75
Step by Step Solution
- Step 1: Write the proportion equation
5,521,981.97 : 8,282,661.41 = 2,447,087.21 : x - Step 2: Convert to fraction form
5,521,981.97/8,282,661.41 = 2,447,087.21/x - Step 3: Cross multiply
5,521,981.97x = 8,282,661.41 × 2,447,087.21 - Step 4: Simplify right side
5,521,981.97x = 20,268,394,788,936.13 - Step 5: Solve for x
x = 20,268,394,788,936.13/5,521,981.97 - Step 6: Final answer
x = 3,670,492.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.