Finding the Fourth Proportional to 2,802,491.19, 3,867,723.59 and 1,715,481.12
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Solution
The fourth proportional to 2,802,491.19, 3,867,723.59 and 1,715,481.12 is: 2,367,538.86
Step by Step Solution
- Step 1: Write the proportion equation
2,802,491.19 : 3,867,723.59 = 1,715,481.12 : x - Step 2: Convert to fraction form
2,802,491.19/3,867,723.59 = 1,715,481.12/x - Step 3: Cross multiply
2,802,491.19x = 3,867,723.59 × 1,715,481.12 - Step 4: Simplify right side
2,802,491.19x = 6,635,006,796,023.62 - Step 5: Solve for x
x = 6,635,006,796,023.62/2,802,491.19 - Step 6: Final answer
x = 2,367,538.86
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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.