Finding the Fourth Proportional to 1,821,671.81, 2,733,453.37 and 742,975.74
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Solution
The fourth proportional to 1,821,671.81, 2,733,453.37 and 742,975.74 is: 1,114,849.30
Step by Step Solution
- Step 1: Write the proportion equation
1,821,671.81 : 2,733,453.37 = 742,975.74 : x - Step 2: Convert to fraction form
1,821,671.81/2,733,453.37 = 742,975.74/x - Step 3: Cross multiply
1,821,671.81x = 2,733,453.37 × 742,975.74 - Step 4: Simplify right side
1,821,671.81x = 2,030,889,540,331.24 - Step 5: Solve for x
x = 2,030,889,540,331.24/1,821,671.81 - Step 6: Final answer
x = 1,114,849.30
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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.