Finding the Fourth Proportional to 5,556,163.70, 8,321,138.35 and 3,432,797.30
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Solution
The fourth proportional to 5,556,163.70, 8,321,138.35 and 3,432,797.30 is: 5,141,097.85
Step by Step Solution
- Step 1: Write the proportion equation
5,556,163.70 : 8,321,138.35 = 3,432,797.30 : x - Step 2: Convert to fraction form
5,556,163.70/8,321,138.35 = 3,432,797.30/x - Step 3: Cross multiply
5,556,163.70x = 8,321,138.35 × 3,432,797.30 - Step 4: Simplify right side
5,556,163.70x = 28,564,781,260,806.45 - Step 5: Solve for x
x = 28,564,781,260,806.45/5,556,163.70 - Step 6: Final answer
x = 5,141,097.85
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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.