Finding the Fourth Proportional to 3,678,739.74, 5,518,940.01 and 1,120,183.49
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Solution
The fourth proportional to 3,678,739.74, 5,518,940.01 and 1,120,183.49 is: 1,680,528.09
Step by Step Solution
- Step 1: Write the proportion equation
3,678,739.74 : 5,518,940.01 = 1,120,183.49 : x - Step 2: Convert to fraction form
3,678,739.74/5,518,940.01 = 1,120,183.49/x - Step 3: Cross multiply
3,678,739.74x = 5,518,940.01 × 1,120,183.49 - Step 4: Simplify right side
3,678,739.74x = 6,182,225,481,502.44 - Step 5: Solve for x
x = 6,182,225,481,502.44/3,678,739.74 - Step 6: Final answer
x = 1,680,528.09
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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.