Finding the Fourth Proportional to 2,157,203.44, 3,235,245.20 and 640,529.88
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Solution
The fourth proportional to 2,157,203.44, 3,235,245.20 and 640,529.88 is: 960,628.55
Step by Step Solution
- Step 1: Write the proportion equation
2,157,203.44 : 3,235,245.20 = 640,529.88 : x - Step 2: Convert to fraction form
2,157,203.44/3,235,245.20 = 640,529.88/x - Step 3: Cross multiply
2,157,203.44x = 3,235,245.20 × 640,529.88 - Step 4: Simplify right side
2,157,203.44x = 2,072,271,206,793.74 - Step 5: Solve for x
x = 2,072,271,206,793.74/2,157,203.44 - Step 6: Final answer
x = 960,628.55
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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.