Finding the Fourth Proportional to 1,776,027.30, 2,450,734.66 and 1,311,128.44
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Solution
The fourth proportional to 1,776,027.30, 2,450,734.66 and 1,311,128.44 is: 1,809,222.14
Step by Step Solution
- Step 1: Write the proportion equation
1,776,027.30 : 2,450,734.66 = 1,311,128.44 : x - Step 2: Convert to fraction form
1,776,027.30/2,450,734.66 = 1,311,128.44/x - Step 3: Cross multiply
1,776,027.30x = 2,450,734.66 × 1,311,128.44 - Step 4: Simplify right side
1,776,027.30x = 3,213,227,911,619.73 - Step 5: Solve for x
x = 3,213,227,911,619.73/1,776,027.30 - Step 6: Final answer
x = 1,809,222.14
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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.