Finding the Fourth Proportional to 1,441,765.40, 1,989,556.77 and 797,143.08
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Solution
The fourth proportional to 1,441,765.40, 1,989,556.77 and 797,143.08 is: 1,100,013.50
Step by Step Solution
- Step 1: Write the proportion equation
1,441,765.40 : 1,989,556.77 = 797,143.08 : x - Step 2: Convert to fraction form
1,441,765.40/1,989,556.77 = 797,143.08/x - Step 3: Cross multiply
1,441,765.40x = 1,989,556.77 × 797,143.08 - Step 4: Simplify right side
1,441,765.40x = 1,585,961,401,524.87 - Step 5: Solve for x
x = 1,585,961,401,524.87/1,441,765.40 - Step 6: Final answer
x = 1,100,013.50
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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.