Finding the Fourth Proportional to 3,159,811.44, 4,360,431.96 and 1,802,121.84
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Solution
The fourth proportional to 3,159,811.44, 4,360,431.96 and 1,802,121.84 is: 2,486,866.64
Step by Step Solution
- Step 1: Write the proportion equation
3,159,811.44 : 4,360,431.96 = 1,802,121.84 : x - Step 2: Convert to fraction form
3,159,811.44/4,360,431.96 = 1,802,121.84/x - Step 3: Cross multiply
3,159,811.44x = 4,360,431.96 × 1,802,121.84 - Step 4: Simplify right side
3,159,811.44x = 7,858,029,666,950.01 - Step 5: Solve for x
x = 7,858,029,666,950.01/3,159,811.44 - Step 6: Final answer
x = 2,486,866.64
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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.