Finding the Fourth Proportional to 2,775,450.40, 4,160,410.80 and 1,276,928.80
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Solution
The fourth proportional to 2,775,450.40, 4,160,410.80 and 1,276,928.80 is: 1,914,121.17
Step by Step Solution
- Step 1: Write the proportion equation
2,775,450.40 : 4,160,410.80 = 1,276,928.80 : x - Step 2: Convert to fraction form
2,775,450.40/4,160,410.80 = 1,276,928.80/x - Step 3: Cross multiply
2,775,450.40x = 4,160,410.80 × 1,276,928.80 - Step 4: Simplify right side
2,775,450.40x = 5,312,548,370,351.04 - Step 5: Solve for x
x = 5,312,548,370,351.04/2,775,450.40 - Step 6: Final answer
x = 1,914,121.17
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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.