Finding the Fourth Proportional to 1,979,114.99, 2,731,183.98 and 1,073,696.99
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Solution
The fourth proportional to 1,979,114.99, 2,731,183.98 and 1,073,696.99 is: 1,481,704.72
Step by Step Solution
- Step 1: Write the proportion equation
1,979,114.99 : 2,731,183.98 = 1,073,696.99 : x - Step 2: Convert to fraction form
1,979,114.99/2,731,183.98 = 1,073,696.99/x - Step 3: Cross multiply
1,979,114.99x = 2,731,183.98 × 1,073,696.99 - Step 4: Simplify right side
1,979,114.99x = 2,932,464,018,462.22 - Step 5: Solve for x
x = 2,932,464,018,462.22/1,979,114.99 - Step 6: Final answer
x = 1,481,704.72
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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.