Finding the Fourth Proportional to 1,338,491.19, 2,007,762.68 and 327,621.81
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Solution
The fourth proportional to 1,338,491.19, 2,007,762.68 and 327,621.81 is: 491,439.05
Step by Step Solution
- Step 1: Write the proportion equation
1,338,491.19 : 2,007,762.68 = 327,621.81 : x - Step 2: Convert to fraction form
1,338,491.19/2,007,762.68 = 327,621.81/x - Step 3: Cross multiply
1,338,491.19x = 2,007,762.68 × 327,621.81 - Step 4: Simplify right side
1,338,491.19x = 657,786,841,633.94 - Step 5: Solve for x
x = 657,786,841,633.94/1,338,491.19 - Step 6: Final answer
x = 491,439.05
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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.