Finding the Fourth Proportional to 2,186,076.84, 3,279,148.64 and 987,163.44
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Solution
The fourth proportional to 2,186,076.84, 3,279,148.64 and 987,163.44 is: 1,480,760.23
Step by Step Solution
- Step 1: Write the proportion equation
2,186,076.84 : 3,279,148.64 = 987,163.44 : x - Step 2: Convert to fraction form
2,186,076.84/3,279,148.64 = 987,163.44/x - Step 3: Cross multiply
2,186,076.84x = 3,279,148.64 × 987,163.44 - Step 4: Simplify right side
2,186,076.84x = 3,237,055,651,733.72 - Step 5: Solve for x
x = 3,237,055,651,733.72/2,186,076.84 - Step 6: Final answer
x = 1,480,760.23
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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.