Finding the Fourth Proportional to 1,981,783.68, 2,734,694.51 and 1,098,756.44
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Solution
The fourth proportional to 1,981,783.68, 2,734,694.51 and 1,098,756.44 is: 1,516,191.32
Step by Step Solution
- Step 1: Write the proportion equation
1,981,783.68 : 2,734,694.51 = 1,098,756.44 : x - Step 2: Convert to fraction form
1,981,783.68/2,734,694.51 = 1,098,756.44/x - Step 3: Cross multiply
1,981,783.68x = 2,734,694.51 × 1,098,756.44 - Step 4: Simplify right side
1,981,783.68x = 3,004,763,205,638.10 - Step 5: Solve for x
x = 3,004,763,205,638.10/1,981,783.68 - Step 6: Final answer
x = 1,516,191.32
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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.