Finding the Fourth Proportional to 2,018,245.35, 2,785,853.49 and 1,202,704.77
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Solution
The fourth proportional to 2,018,245.35, 2,785,853.49 and 1,202,704.77 is: 1,660,134.77
Step by Step Solution
- Step 1: Write the proportion equation
2,018,245.35 : 2,785,853.49 = 1,202,704.77 : x - Step 2: Convert to fraction form
2,018,245.35/2,785,853.49 = 1,202,704.77/x - Step 3: Cross multiply
2,018,245.35x = 2,785,853.49 × 1,202,704.77 - Step 4: Simplify right side
2,018,245.35x = 3,350,559,280,944.15 - Step 5: Solve for x
x = 3,350,559,280,944.15/2,018,245.35 - Step 6: Final answer
x = 1,660,134.77
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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.