Finding the Fourth Proportional to 1,979,122.74, 2,731,194.68 and 1,073,704.74
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Solution
The fourth proportional to 1,979,122.74, 2,731,194.68 and 1,073,704.74 is: 1,481,715.42
Step by Step Solution
- Step 1: Write the proportion equation
1,979,122.74 : 2,731,194.68 = 1,073,704.74 : x - Step 2: Convert to fraction form
1,979,122.74/2,731,194.68 = 1,073,704.74/x - Step 3: Cross multiply
1,979,122.74x = 2,731,194.68 × 1,073,704.74 - Step 4: Simplify right side
1,979,122.74x = 2,932,496,673,778.78 - Step 5: Solve for x
x = 2,932,496,673,778.78/1,979,122.74 - Step 6: Final answer
x = 1,481,715.42
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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.