Finding the Fourth Proportional to 3,198,266.12, 4,413,596.70 and 1,747,961.17
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Solution
The fourth proportional to 3,198,266.12, 4,413,596.70 and 1,747,961.17 is: 2,412,180.65
Step by Step Solution
- Step 1: Write the proportion equation
3,198,266.12 : 4,413,596.70 = 1,747,961.17 : x - Step 2: Convert to fraction form
3,198,266.12/4,413,596.70 = 1,747,961.17/x - Step 3: Cross multiply
3,198,266.12x = 4,413,596.70 × 1,747,961.17 - Step 4: Simplify right side
3,198,266.12x = 7,714,795,637,328.72 - Step 5: Solve for x
x = 7,714,795,637,328.72/3,198,266.12 - Step 6: Final answer
x = 2,412,180.65
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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.