Finding the Fourth Proportional to 2,257,630.80, 3,383,681.40 and 994,117.20
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Solution
The fourth proportional to 2,257,630.80, 3,383,681.40 and 994,117.20 is: 1,489,958.36
Step by Step Solution
- Step 1: Write the proportion equation
2,257,630.80 : 3,383,681.40 = 994,117.20 : x - Step 2: Convert to fraction form
2,257,630.80/3,383,681.40 = 994,117.20/x - Step 3: Cross multiply
2,257,630.80x = 3,383,681.40 × 994,117.20 - Step 4: Simplify right side
2,257,630.80x = 3,363,775,879,060.08 - Step 5: Solve for x
x = 3,363,775,879,060.08/2,257,630.80 - Step 6: Final answer
x = 1,489,958.36
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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.