Finding the Fourth Proportional to 1,448,386.97, 1,998,569.90 and 867,474.06
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Solution
The fourth proportional to 1,448,386.97, 1,998,569.90 and 867,474.06 is: 1,196,991.95
Step by Step Solution
- Step 1: Write the proportion equation
1,448,386.97 : 1,998,569.90 = 867,474.06 : x - Step 2: Convert to fraction form
1,448,386.97/1,998,569.90 = 867,474.06/x - Step 3: Cross multiply
1,448,386.97x = 1,998,569.90 × 867,474.06 - Step 4: Simplify right side
1,448,386.97x = 1,733,707,540,020.84 - Step 5: Solve for x
x = 1,733,707,540,020.84/1,448,386.97 - Step 6: Final answer
x = 1,196,991.95
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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.