Finding the Fourth Proportional to 1,440,145.36, 2,160,524.22 and 493,261.84
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Solution
The fourth proportional to 1,440,145.36, 2,160,524.22 and 493,261.84 is: 739,997.63
Step by Step Solution
- Step 1: Write the proportion equation
1,440,145.36 : 2,160,524.22 = 493,261.84 : x - Step 2: Convert to fraction form
1,440,145.36/2,160,524.22 = 493,261.84/x - Step 3: Cross multiply
1,440,145.36x = 2,160,524.22 × 493,261.84 - Step 4: Simplify right side
1,440,145.36x = 1,065,704,152,121.77 - Step 5: Solve for x
x = 1,065,704,152,121.77/1,440,145.36 - Step 6: Final answer
x = 739,997.63
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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.