Finding the Fourth Proportional to 2,018,939.20, 3,024,261.60 and 1,022,228.80
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Solution
The fourth proportional to 2,018,939.20, 3,024,261.60 and 1,022,228.80 is: 1,531,243.39
Step by Step Solution
- Step 1: Write the proportion equation
2,018,939.20 : 3,024,261.60 = 1,022,228.80 : x - Step 2: Convert to fraction form
2,018,939.20/3,024,261.60 = 1,022,228.80/x - Step 3: Cross multiply
2,018,939.20x = 3,024,261.60 × 1,022,228.80 - Step 4: Simplify right side
2,018,939.20x = 3,091,487,306,254.08 - Step 5: Solve for x
x = 3,091,487,306,254.08/2,018,939.20 - Step 6: Final answer
x = 1,531,243.39
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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.