Finding the Fourth Proportional to 1,481,505.35, 2,220,542.58 and 681,107.09
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Solution
The fourth proportional to 1,481,505.35, 2,220,542.58 and 681,107.09 is: 1,020,871.97
Step by Step Solution
- Step 1: Write the proportion equation
1,481,505.35 : 2,220,542.58 = 681,107.09 : x - Step 2: Convert to fraction form
1,481,505.35/2,220,542.58 = 681,107.09/x - Step 3: Cross multiply
1,481,505.35x = 2,220,542.58 × 681,107.09 - Step 4: Simplify right side
1,481,505.35x = 1,512,427,283,782.18 - Step 5: Solve for x
x = 1,512,427,283,782.18/1,481,505.35 - Step 6: Final answer
x = 1,020,871.97
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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.