Finding the Fourth Proportional to 2,910,474.41, 3,987,369.18 and 2,801,385.95
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Solution
The fourth proportional to 2,910,474.41, 3,987,369.18 and 2,801,385.95 is: 3,837,917.27
Step by Step Solution
- Step 1: Write the proportion equation
2,910,474.41 : 3,987,369.18 = 2,801,385.95 : x - Step 2: Convert to fraction form
2,910,474.41/3,987,369.18 = 2,801,385.95/x - Step 3: Cross multiply
2,910,474.41x = 3,987,369.18 × 2,801,385.95 - Step 4: Simplify right side
2,910,474.41x = 11,170,159,978,378.18 - Step 5: Solve for x
x = 11,170,159,978,378.18/2,910,474.41 - Step 6: Final answer
x = 3,837,917.27
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.