Finding the Fourth Proportional to 3,621,163.95, 5,434,237.14 and 1,491,247.89
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Solution
The fourth proportional to 3,621,163.95, 5,434,237.14 and 1,491,247.89 is: 2,237,897.75
Step by Step Solution
- Step 1: Write the proportion equation
3,621,163.95 : 5,434,237.14 = 1,491,247.89 : x - Step 2: Convert to fraction form
3,621,163.95/5,434,237.14 = 1,491,247.89/x - Step 3: Cross multiply
3,621,163.95x = 5,434,237.14 × 1,491,247.89 - Step 4: Simplify right side
3,621,163.95x = 8,103,794,668,784.63 - Step 5: Solve for x
x = 8,103,794,668,784.63/3,621,163.95 - Step 6: Final answer
x = 2,237,897.75
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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.