Finding the Fourth Proportional to 1,580,453.34, 2,181,029.49 and 855,306.36
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Solution
The fourth proportional to 1,580,453.34, 2,181,029.49 and 855,306.36 is: 1,180,324.88
Step by Step Solution
- Step 1: Write the proportion equation
1,580,453.34 : 2,181,029.49 = 855,306.36 : x - Step 2: Convert to fraction form
1,580,453.34/2,181,029.49 = 855,306.36/x - Step 3: Cross multiply
1,580,453.34x = 2,181,029.49 × 855,306.36 - Step 4: Simplify right side
1,580,453.34x = 1,865,448,394,144.56 - Step 5: Solve for x
x = 1,865,448,394,144.56/1,580,453.34 - Step 6: Final answer
x = 1,180,324.88
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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.