Finding the Fourth Proportional to 1,821,739.20, 2,734,261.20 and 923,805.60
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Solution
The fourth proportional to 1,821,739.20, 2,734,261.20 and 923,805.60 is: 1,386,546.33
Step by Step Solution
- Step 1: Write the proportion equation
1,821,739.20 : 2,734,261.20 = 923,805.60 : x - Step 2: Convert to fraction form
1,821,739.20/2,734,261.20 = 923,805.60/x - Step 3: Cross multiply
1,821,739.20x = 2,734,261.20 × 923,805.60 - Step 4: Simplify right side
1,821,739.20x = 2,525,925,808,422.72 - Step 5: Solve for x
x = 2,525,925,808,422.72/1,821,739.20 - Step 6: Final answer
x = 1,386,546.33
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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.