Finding the Fourth Proportional to 1,567,213.19, 2,162,777.08 and 913,821.42
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Solution
The fourth proportional to 1,567,213.19, 2,162,777.08 and 913,821.42 is: 1,261,086.90
Step by Step Solution
- Step 1: Write the proportion equation
1,567,213.19 : 2,162,777.08 = 913,821.42 : x - Step 2: Convert to fraction form
1,567,213.19/2,162,777.08 = 913,821.42/x - Step 3: Cross multiply
1,567,213.19x = 2,162,777.08 × 913,821.42 - Step 4: Simplify right side
1,567,213.19x = 1,976,392,020,104.50 - Step 5: Solve for x
x = 1,976,392,020,104.50/1,567,213.19 - Step 6: Final answer
x = 1,261,086.90
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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.