Finding the Fourth Proportional to 2,540,138.77, 3,810,872.18 and 1,474,156.09
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Solution
The fourth proportional to 2,540,138.77, 3,810,872.18 and 1,474,156.09 is: 2,211,619.50
Step by Step Solution
- Step 1: Write the proportion equation
2,540,138.77 : 3,810,872.18 = 1,474,156.09 : x - Step 2: Convert to fraction form
2,540,138.77/3,810,872.18 = 1,474,156.09/x - Step 3: Cross multiply
2,540,138.77x = 3,810,872.18 × 1,474,156.09 - Step 4: Simplify right side
2,540,138.77x = 5,617,820,424,987.80 - Step 5: Solve for x
x = 5,617,820,424,987.80/2,540,138.77 - Step 6: Final answer
x = 2,211,619.50
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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.