Finding the Fourth Proportional to 2,868,704.56, 3,958,821.66 and 1,561,972.06
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Solution
The fourth proportional to 2,868,704.56, 3,958,821.66 and 1,561,972.06 is: 2,155,526.54
Step by Step Solution
- Step 1: Write the proportion equation
2,868,704.56 : 3,958,821.66 = 1,561,972.06 : x - Step 2: Convert to fraction form
2,868,704.56/3,958,821.66 = 1,561,972.06/x - Step 3: Cross multiply
2,868,704.56x = 3,958,821.66 × 1,561,972.06 - Step 4: Simplify right side
2,868,704.56x = 6,183,568,823,442.82 - Step 5: Solve for x
x = 6,183,568,823,442.82/2,868,704.56 - Step 6: Final answer
x = 2,155,526.54
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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.