Finding the Fourth Proportional to 3,955,453.56, 5,458,309.74 and 2,236,918.68
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Solution
The fourth proportional to 3,955,453.56, 5,458,309.74 and 2,236,918.68 is: 3,086,825.53
Step by Step Solution
- Step 1: Write the proportion equation
3,955,453.56 : 5,458,309.74 = 2,236,918.68 : x - Step 2: Convert to fraction form
3,955,453.56/5,458,309.74 = 2,236,918.68/x - Step 3: Cross multiply
3,955,453.56x = 5,458,309.74 × 2,236,918.68 - Step 4: Simplify right side
3,955,453.56x = 12,209,795,018,631.95 - Step 5: Solve for x
x = 12,209,795,018,631.95/3,955,453.56 - Step 6: Final answer
x = 3,086,825.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.