Finding the Fourth Proportional to 1,981,775.41, 2,734,683.12 and 1,098,748.19
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Solution
The fourth proportional to 1,981,775.41, 2,734,683.12 and 1,098,748.19 is: 1,516,179.94
Step by Step Solution
- Step 1: Write the proportion equation
1,981,775.41 : 2,734,683.12 = 1,098,748.19 : x - Step 2: Convert to fraction form
1,981,775.41/2,734,683.12 = 1,098,748.19/x - Step 3: Cross multiply
1,981,775.41x = 2,734,683.12 × 1,098,748.19 - Step 4: Simplify right side
1,981,775.41x = 3,004,728,135,160.26 - Step 5: Solve for x
x = 3,004,728,135,160.26/1,981,775.41 - Step 6: Final answer
x = 1,516,179.94
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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.