Finding the Fourth Proportional to 2,190,950.40, 3,289,804.80 and 1,195,622.40
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Solution
The fourth proportional to 2,190,950.40, 3,289,804.80 and 1,195,622.40 is: 1,795,277.66
Step by Step Solution
- Step 1: Write the proportion equation
2,190,950.40 : 3,289,804.80 = 1,195,622.40 : x - Step 2: Convert to fraction form
2,190,950.40/3,289,804.80 = 1,195,622.40/x - Step 3: Cross multiply
2,190,950.40x = 3,289,804.80 × 1,195,622.40 - Step 4: Simplify right side
2,190,950.40x = 3,933,364,310,507.52 - Step 5: Solve for x
x = 3,933,364,310,507.52/2,190,950.40 - Step 6: Final answer
x = 1,795,277.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.