Finding the Fourth Proportional to 5,412,838.37, 8,118,276.44 and 2,174,245.54
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Solution
The fourth proportional to 5,412,838.37, 8,118,276.44 and 2,174,245.54 is: 3,260,974.21
Step by Step Solution
- Step 1: Write the proportion equation
5,412,838.37 : 8,118,276.44 = 2,174,245.54 : x - Step 2: Convert to fraction form
5,412,838.37/8,118,276.44 = 2,174,245.54/x - Step 3: Cross multiply
5,412,838.37x = 8,118,276.44 × 2,174,245.54 - Step 4: Simplify right side
5,412,838.37x = 17,651,126,310,990.16 - Step 5: Solve for x
x = 17,651,126,310,990.16/5,412,838.37 - Step 6: Final answer
x = 3,260,974.21
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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.