Finding the Fourth Proportional to 1,542,579.40, 2,313,491.46 and 644,028.56
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Solution
The fourth proportional to 1,542,579.40, 2,313,491.46 and 644,028.56 is: 965,885.17
Step by Step Solution
- Step 1: Write the proportion equation
1,542,579.40 : 2,313,491.46 = 644,028.56 : x - Step 2: Convert to fraction form
1,542,579.40/2,313,491.46 = 644,028.56/x - Step 3: Cross multiply
1,542,579.40x = 2,313,491.46 × 644,028.56 - Step 4: Simplify right side
1,542,579.40x = 1,489,954,573,556.10 - Step 5: Solve for x
x = 1,489,954,573,556.10/1,542,579.40 - Step 6: Final answer
x = 965,885.17
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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.