Finding the Fourth Proportional to 3,511,262.34, 5,266,892.55 and 986,917.26
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Solution
The fourth proportional to 3,511,262.34, 5,266,892.55 and 986,917.26 is: 1,480,375.62
Step by Step Solution
- Step 1: Write the proportion equation
3,511,262.34 : 5,266,892.55 = 986,917.26 : x - Step 2: Convert to fraction form
3,511,262.34/5,266,892.55 = 986,917.26/x - Step 3: Cross multiply
3,511,262.34x = 5,266,892.55 × 986,917.26 - Step 4: Simplify right side
3,511,262.34x = 5,197,987,164,160.41 - Step 5: Solve for x
x = 5,197,987,164,160.41/3,511,262.34 - Step 6: Final answer
x = 1,480,375.62
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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.