Finding the Fourth Proportional to 1,638,651.01, 2,261,472.99 and 903,749.05
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Solution
The fourth proportional to 1,638,651.01, 2,261,472.99 and 903,749.05 is: 1,247,247.92
Step by Step Solution
- Step 1: Write the proportion equation
1,638,651.01 : 2,261,472.99 = 903,749.05 : x - Step 2: Convert to fraction form
1,638,651.01/2,261,472.99 = 903,749.05/x - Step 3: Cross multiply
1,638,651.01x = 2,261,472.99 × 903,749.05 - Step 4: Simplify right side
1,638,651.01x = 2,043,804,066,313.16 - Step 5: Solve for x
x = 2,043,804,066,313.16/1,638,651.01 - Step 6: Final answer
x = 1,247,247.92
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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.