Finding the Fourth Proportional to 3,453,877.38, 4,766,427.06 and 1,905,186.12
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Solution
The fourth proportional to 3,453,877.38, 4,766,427.06 and 1,905,186.12 is: 2,629,198.92
Step by Step Solution
- Step 1: Write the proportion equation
3,453,877.38 : 4,766,427.06 = 1,905,186.12 : x - Step 2: Convert to fraction form
3,453,877.38/4,766,427.06 = 1,905,186.12/x - Step 3: Cross multiply
3,453,877.38x = 4,766,427.06 × 1,905,186.12 - Step 4: Simplify right side
3,453,877.38x = 9,080,930,676,704.41 - Step 5: Solve for x
x = 9,080,930,676,704.41/3,453,877.38 - Step 6: Final answer
x = 2,629,198.92
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1.5x scale
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.