Finding the Fourth Proportional to 2,519,382.98, 3,781,258.14 and 1,322,151.14
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Solution
The fourth proportional to 2,519,382.98, 3,781,258.14 and 1,322,151.14 is: 1,984,372.68
Step by Step Solution
- Step 1: Write the proportion equation
2,519,382.98 : 3,781,258.14 = 1,322,151.14 : x - Step 2: Convert to fraction form
2,519,382.98/3,781,258.14 = 1,322,151.14/x - Step 3: Cross multiply
2,519,382.98x = 3,781,258.14 × 1,322,151.14 - Step 4: Simplify right side
2,519,382.98x = 4,999,394,760,435.28 - Step 5: Solve for x
x = 4,999,394,760,435.28/2,519,382.98 - Step 6: Final answer
x = 1,984,372.68
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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.