Finding the Fourth Proportional to 1,505,222.16, 2,077,207.67 and 816,893.84
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Solution
The fourth proportional to 1,505,222.16, 2,077,207.67 and 816,893.84 is: 1,127,314.08
Step by Step Solution
- Step 1: Write the proportion equation
1,505,222.16 : 2,077,207.67 = 816,893.84 : x - Step 2: Convert to fraction form
1,505,222.16/2,077,207.67 = 816,893.84/x - Step 3: Cross multiply
1,505,222.16x = 2,077,207.67 × 816,893.84 - Step 4: Simplify right side
1,505,222.16x = 1,696,858,135,553.25 - Step 5: Solve for x
x = 1,696,858,135,553.25/1,505,222.16 - Step 6: Final answer
x = 1,127,314.08
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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.