Finding the Fourth Proportional to 2,751,396.20, 4,127,094.30 and 858,134.60
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Solution
The fourth proportional to 2,751,396.20, 4,127,094.30 and 858,134.60 is: 1,287,201.90
Step by Step Solution
- Step 1: Write the proportion equation
2,751,396.20 : 4,127,094.30 = 858,134.60 : x - Step 2: Convert to fraction form
2,751,396.20/4,127,094.30 = 858,134.60/x - Step 3: Cross multiply
2,751,396.20x = 4,127,094.30 × 858,134.60 - Step 4: Simplify right side
2,751,396.20x = 3,541,602,416,292.78 - Step 5: Solve for x
x = 3,541,602,416,292.78/2,751,396.20 - Step 6: Final answer
x = 1,287,201.90
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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.