Finding the Fourth Proportional to 2,080,528.52, 2,870,318.34 and 1,305,707.22
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Solution
The fourth proportional to 2,080,528.52, 2,870,318.34 and 1,305,707.22 is: 1,801,366.99
Step by Step Solution
- Step 1: Write the proportion equation
2,080,528.52 : 2,870,318.34 = 1,305,707.22 : x - Step 2: Convert to fraction form
2,080,528.52/2,870,318.34 = 1,305,707.22/x - Step 3: Cross multiply
2,080,528.52x = 2,870,318.34 × 1,305,707.22 - Step 4: Simplify right side
2,080,528.52x = 3,747,795,380,236.41 - Step 5: Solve for x
x = 3,747,795,380,236.41/2,080,528.52 - Step 6: Final answer
x = 1,801,366.99
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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.