Finding the Fourth Proportional to 1,604,121.33, 2,213,687.97 and 878,963.16
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Solution
The fourth proportional to 1,604,121.33, 2,213,687.97 and 878,963.16 is: 1,212,969.45
Step by Step Solution
- Step 1: Write the proportion equation
1,604,121.33 : 2,213,687.97 = 878,963.16 : x - Step 2: Convert to fraction form
1,604,121.33/2,213,687.97 = 878,963.16/x - Step 3: Cross multiply
1,604,121.33x = 2,213,687.97 × 878,963.16 - Step 4: Simplify right side
1,604,121.33x = 1,945,750,173,365.19 - Step 5: Solve for x
x = 1,945,750,173,365.19/1,604,121.33 - Step 6: Final answer
x = 1,212,969.45
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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.