Finding the Fourth Proportional to 4,186,289.44, 5,777,139.84 and 2,351,144.80
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Solution
The fourth proportional to 4,186,289.44, 5,777,139.84 and 2,351,144.80 is: 3,244,613.75
Step by Step Solution
- Step 1: Write the proportion equation
4,186,289.44 : 5,777,139.84 = 2,351,144.80 : x - Step 2: Convert to fraction form
4,186,289.44/5,777,139.84 = 2,351,144.80/x - Step 3: Cross multiply
4,186,289.44x = 5,777,139.84 × 2,351,144.80 - Step 4: Simplify right side
4,186,289.44x = 13,582,892,293,688.83 - Step 5: Solve for x
x = 13,582,892,293,688.83/4,186,289.44 - Step 6: Final answer
x = 3,244,613.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.