Finding the Fourth Proportional to 3,207,284.19, 4,424,374.44 and 1,983,198.42
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Solution
The fourth proportional to 3,207,284.19, 4,424,374.44 and 1,983,198.42 is: 2,735,776.40
Step by Step Solution
- Step 1: Write the proportion equation
3,207,284.19 : 4,424,374.44 = 1,983,198.42 : x - Step 2: Convert to fraction form
3,207,284.19/4,424,374.44 = 1,983,198.42/x - Step 3: Cross multiply
3,207,284.19x = 4,424,374.44 × 1,983,198.42 - Step 4: Simplify right side
3,207,284.19x = 8,774,412,398,896.39 - Step 5: Solve for x
x = 8,774,412,398,896.39/3,207,284.19 - Step 6: Final answer
x = 2,735,776.40
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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.