Finding the Fourth Proportional to 1,959,449.80, 2,703,891.44 and 1,099,843.98
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Solution
The fourth proportional to 1,959,449.80, 2,703,891.44 and 1,099,843.98 is: 1,517,700.90
Step by Step Solution
- Step 1: Write the proportion equation
1,959,449.80 : 2,703,891.44 = 1,099,843.98 : x - Step 2: Convert to fraction form
1,959,449.80/2,703,891.44 = 1,099,843.98/x - Step 3: Cross multiply
1,959,449.80x = 2,703,891.44 × 1,099,843.98 - Step 4: Simplify right side
1,959,449.80x = 2,973,858,722,857.53 - Step 5: Solve for x
x = 2,973,858,722,857.53/1,959,449.80 - Step 6: Final answer
x = 1,517,700.90
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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.