Finding the Fourth Proportional to 2,618,133.84, 3,920,902.20 and 1,492,791.12
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Solution
The fourth proportional to 2,618,133.84, 3,920,902.20 and 1,492,791.12 is: 2,235,595.41
Step by Step Solution
- Step 1: Write the proportion equation
2,618,133.84 : 3,920,902.20 = 1,492,791.12 : x - Step 2: Convert to fraction form
2,618,133.84/3,920,902.20 = 1,492,791.12/x - Step 3: Cross multiply
2,618,133.84x = 3,920,902.20 × 1,492,791.12 - Step 4: Simplify right side
2,618,133.84x = 5,853,087,986,548.47 - Step 5: Solve for x
x = 5,853,087,986,548.47/2,618,133.84 - Step 6: Final answer
x = 2,235,595.41
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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.