Finding the Fourth Proportional to 5,419,738.16, 8,122,520.24 and 2,221,119.44
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Solution
The fourth proportional to 5,419,738.16, 8,122,520.24 and 2,221,119.44 is: 3,328,774.76
Step by Step Solution
- Step 1: Write the proportion equation
5,419,738.16 : 8,122,520.24 = 2,221,119.44 : x - Step 2: Convert to fraction form
5,419,738.16/8,122,520.24 = 2,221,119.44/x - Step 3: Cross multiply
5,419,738.16x = 8,122,520.24 × 2,221,119.44 - Step 4: Simplify right side
5,419,738.16x = 18,041,087,606,857.46 - Step 5: Solve for x
x = 18,041,087,606,857.46/5,419,738.16 - Step 6: Final answer
x = 3,328,774.76
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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.