Finding the Fourth Proportional to 2,198,409.18, 3,297,926.78 and 682,223.13
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Solution
The fourth proportional to 2,198,409.18, 3,297,926.78 and 682,223.13 is: 1,023,431.83
Step by Step Solution
- Step 1: Write the proportion equation
2,198,409.18 : 3,297,926.78 = 682,223.13 : x - Step 2: Convert to fraction form
2,198,409.18/3,297,926.78 = 682,223.13/x - Step 3: Cross multiply
2,198,409.18x = 3,297,926.78 × 682,223.13 - Step 4: Simplify right side
2,198,409.18x = 2,249,921,930,362.42 - Step 5: Solve for x
x = 2,249,921,930,362.42/2,198,409.18 - Step 6: Final answer
x = 1,023,431.83
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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.