Finding the Fourth Proportional to 1,609,917.30, 2,415,167.55 and 809,183.70
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Solution
The fourth proportional to 1,609,917.30, 2,415,167.55 and 809,183.70 is: 1,213,922.12
Step by Step Solution
- Step 1: Write the proportion equation
1,609,917.30 : 2,415,167.55 = 809,183.70 : x - Step 2: Convert to fraction form
1,609,917.30/2,415,167.55 = 809,183.70/x - Step 3: Cross multiply
1,609,917.30x = 2,415,167.55 × 809,183.70 - Step 4: Simplify right side
1,609,917.30x = 1,954,314,214,228.93 - Step 5: Solve for x
x = 1,954,314,214,228.93/1,609,917.30 - Step 6: Final answer
x = 1,213,922.12
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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.