Finding the Fourth Proportional to 2,810,939.76, 4,220,608.68 and 2,768,949.36
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Solution
The fourth proportional to 2,810,939.76, 4,220,608.68 and 2,768,949.36 is: 4,157,560.35
Step by Step Solution
- Step 1: Write the proportion equation
2,810,939.76 : 4,220,608.68 = 2,768,949.36 : x - Step 2: Convert to fraction form
2,810,939.76/4,220,608.68 = 2,768,949.36/x - Step 3: Cross multiply
2,810,939.76x = 4,220,608.68 × 2,768,949.36 - Step 4: Simplify right side
2,810,939.76x = 11,686,651,703,296.44 - Step 5: Solve for x
x = 11,686,651,703,296.44/2,810,939.76 - Step 6: Final answer
x = 4,157,560.35
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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.