Finding the Fourth Proportional to 1,641,362.97, 2,265,273.09 and 1,365,233.70
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Solution
The fourth proportional to 1,641,362.97, 2,265,273.09 and 1,365,233.70 is: 1,884,182.36
Step by Step Solution
- Step 1: Write the proportion equation
1,641,362.97 : 2,265,273.09 = 1,365,233.70 : x - Step 2: Convert to fraction form
1,641,362.97/2,265,273.09 = 1,365,233.70/x - Step 3: Cross multiply
1,641,362.97x = 2,265,273.09 × 1,365,233.70 - Step 4: Simplify right side
1,641,362.97x = 3,092,627,162,171.13 - Step 5: Solve for x
x = 3,092,627,162,171.13/1,641,362.97 - Step 6: Final answer
x = 1,884,182.36
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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.