Finding the Fourth Proportional to 3,491,878.73, 5,236,291.16 and 1,761,684.09
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Solution
The fourth proportional to 3,491,878.73, 5,236,291.16 and 1,761,684.09 is: 2,641,755.78
Step by Step Solution
- Step 1: Write the proportion equation
3,491,878.73 : 5,236,291.16 = 1,761,684.09 : x - Step 2: Convert to fraction form
3,491,878.73/5,236,291.16 = 1,761,684.09/x - Step 3: Cross multiply
3,491,878.73x = 5,236,291.16 × 1,761,684.09 - Step 4: Simplify right side
3,491,878.73x = 9,224,690,809,684.71 - Step 5: Solve for x
x = 9,224,690,809,684.71/3,491,878.73 - Step 6: Final answer
x = 2,641,755.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.