Finding the Fourth Proportional to 2,821,631.36, 4,231,363.96 and 1,201,372.94
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Solution
The fourth proportional to 2,821,631.36, 4,231,363.96 and 1,201,372.94 is: 1,801,598.27
Step by Step Solution
- Step 1: Write the proportion equation
2,821,631.36 : 4,231,363.96 = 1,201,372.94 : x - Step 2: Convert to fraction form
2,821,631.36/4,231,363.96 = 1,201,372.94/x - Step 3: Cross multiply
2,821,631.36x = 4,231,363.96 × 1,201,372.94 - Step 4: Simplify right side
2,821,631.36x = 5,083,446,161,014.66 - Step 5: Solve for x
x = 5,083,446,161,014.66/2,821,631.36 - Step 6: Final answer
x = 1,801,598.27
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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.