Finding the Fourth Proportional to 1,721,252.70, 2,579,517.07 and 1,089,034.74
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Solution
The fourth proportional to 1,721,252.70, 2,579,517.07 and 1,089,034.74 is: 1,632,057.69
Step by Step Solution
- Step 1: Write the proportion equation
1,721,252.70 : 2,579,517.07 = 1,089,034.74 : x - Step 2: Convert to fraction form
1,721,252.70/2,579,517.07 = 1,089,034.74/x - Step 3: Cross multiply
1,721,252.70x = 2,579,517.07 × 1,089,034.74 - Step 4: Simplify right side
1,721,252.70x = 2,809,183,698,930.42 - Step 5: Solve for x
x = 2,809,183,698,930.42/1,721,252.70 - Step 6: Final answer
x = 1,632,057.69
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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.