Finding the Fourth Proportional to 1,618,934.84, 2,428,181.05 and 481,872.53
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Solution
The fourth proportional to 1,618,934.84, 2,428,181.05 and 481,872.53 is: 722,742.95
Step by Step Solution
- Step 1: Write the proportion equation
1,618,934.84 : 2,428,181.05 = 481,872.53 : x - Step 2: Convert to fraction form
1,618,934.84/2,428,181.05 = 481,872.53/x - Step 3: Cross multiply
1,618,934.84x = 2,428,181.05 × 481,872.53 - Step 4: Simplify right side
1,618,934.84x = 1,170,073,743,452.19 - Step 5: Solve for x
x = 1,170,073,743,452.19/1,618,934.84 - Step 6: Final answer
x = 722,742.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.