Finding the Fourth Proportional to 1,820,371.42, 2,512,163.61 and 1,004,626.54
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Solution
The fourth proportional to 1,820,371.42, 2,512,163.61 and 1,004,626.54 is: 1,386,412.80
Step by Step Solution
- Step 1: Write the proportion equation
1,820,371.42 : 2,512,163.61 = 1,004,626.54 : x - Step 2: Convert to fraction form
1,820,371.42/2,512,163.61 = 1,004,626.54/x - Step 3: Cross multiply
1,820,371.42x = 2,512,163.61 × 1,004,626.54 - Step 4: Simplify right side
1,820,371.42x = 2,523,786,235,428.21 - Step 5: Solve for x
x = 2,523,786,235,428.21/1,820,371.42 - Step 6: Final answer
x = 1,386,412.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.