Finding the Fourth Proportional to 1,518,481.23, 2,277,261.73 and 798,434.92
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Solution
The fourth proportional to 1,518,481.23, 2,277,261.73 and 798,434.92 is: 1,197,410.45
Step by Step Solution
- Step 1: Write the proportion equation
1,518,481.23 : 2,277,261.73 = 798,434.92 : x - Step 2: Convert to fraction form
1,518,481.23/2,277,261.73 = 798,434.92/x - Step 3: Cross multiply
1,518,481.23x = 2,277,261.73 × 798,434.92 - Step 4: Simplify right side
1,518,481.23x = 1,818,245,287,211.61 - Step 5: Solve for x
x = 1,818,245,287,211.61/1,518,481.23 - Step 6: Final answer
x = 1,197,410.45
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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.