Finding the Fourth Proportional to 1,782,235.76, 2,669,481.21 and 1,097,034.08
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Solution
The fourth proportional to 1,782,235.76, 2,669,481.21 and 1,097,034.08 is: 1,643,167.49
Step by Step Solution
- Step 1: Write the proportion equation
1,782,235.76 : 2,669,481.21 = 1,097,034.08 : x - Step 2: Convert to fraction form
1,782,235.76/2,669,481.21 = 1,097,034.08/x - Step 3: Cross multiply
1,782,235.76x = 2,669,481.21 × 1,097,034.08 - Step 4: Simplify right side
1,782,235.76x = 2,928,511,863,289.64 - Step 5: Solve for x
x = 2,928,511,863,289.64/1,782,235.76 - Step 6: Final answer
x = 1,643,167.49
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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.