Finding the Fourth Proportional to 1,492,805.58, 2,238,640.86 and 481,775.97
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Solution
The fourth proportional to 1,492,805.58, 2,238,640.86 and 481,775.97 is: 722,480.80
Step by Step Solution
- Step 1: Write the proportion equation
1,492,805.58 : 2,238,640.86 = 481,775.97 : x - Step 2: Convert to fraction form
1,492,805.58/2,238,640.86 = 481,775.97/x - Step 3: Cross multiply
1,492,805.58x = 2,238,640.86 × 481,775.97 - Step 4: Simplify right side
1,492,805.58x = 1,078,523,371,808.13 - Step 5: Solve for x
x = 1,078,523,371,808.13/1,492,805.58 - Step 6: Final answer
x = 722,480.80
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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.