Finding the Fourth Proportional to 3,622,914.94, 4,999,673.96 and 1,991,473.15
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Solution
The fourth proportional to 3,622,914.94, 4,999,673.96 and 1,991,473.15 is: 2,748,261.17
Step by Step Solution
- Step 1: Write the proportion equation
3,622,914.94 : 4,999,673.96 = 1,991,473.15 : x - Step 2: Convert to fraction form
3,622,914.94/4,999,673.96 = 1,991,473.15/x - Step 3: Cross multiply
3,622,914.94x = 4,999,673.96 × 1,991,473.15 - Step 4: Simplify right side
3,622,914.94x = 9,956,716,450,094.17 - Step 5: Solve for x
x = 9,956,716,450,094.17/3,622,914.94 - Step 6: Final answer
x = 2,748,261.17
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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.