Finding the Fourth Proportional to 1,669,147.44, 2,503,651.86 and 770,290.44
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Solution
The fourth proportional to 1,669,147.44, 2,503,651.86 and 770,290.44 is: 1,155,403.68
Step by Step Solution
- Step 1: Write the proportion equation
1,669,147.44 : 2,503,651.86 = 770,290.44 : x - Step 2: Convert to fraction form
1,669,147.44/2,503,651.86 = 770,290.44/x - Step 3: Cross multiply
1,669,147.44x = 2,503,651.86 × 770,290.44 - Step 4: Simplify right side
1,669,147.44x = 1,928,539,092,846.22 - Step 5: Solve for x
x = 1,928,539,092,846.22/1,669,147.44 - Step 6: Final answer
x = 1,155,403.68
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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.