Finding the Fourth Proportional to 6,369,790.07, 8,791,101.62 and 3,617,361.62
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Solution
The fourth proportional to 6,369,790.07, 8,791,101.62 and 3,617,361.62 is: 4,992,408.42
Step by Step Solution
- Step 1: Write the proportion equation
6,369,790.07 : 8,791,101.62 = 3,617,361.62 : x - Step 2: Convert to fraction form
6,369,790.07/8,791,101.62 = 3,617,361.62/x - Step 3: Cross multiply
6,369,790.07x = 8,791,101.62 × 3,617,361.62 - Step 4: Simplify right side
6,369,790.07x = 31,800,593,582,197.25 - Step 5: Solve for x
x = 31,800,593,582,197.25/6,369,790.07 - Step 6: Final answer
x = 4,992,408.42
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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.