Finding the Fourth Proportional to 1,603,497.47, 2,212,766.96 and 878,351.14
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Solution
The fourth proportional to 1,603,497.47, 2,212,766.96 and 878,351.14 is: 1,212,091.96
Step by Step Solution
- Step 1: Write the proportion equation
1,603,497.47 : 2,212,766.96 = 878,351.14 : x - Step 2: Convert to fraction form
1,603,497.47/2,212,766.96 = 878,351.14/x - Step 3: Cross multiply
1,603,497.47x = 2,212,766.96 × 878,351.14 - Step 4: Simplify right side
1,603,497.47x = 1,943,586,385,185.26 - Step 5: Solve for x
x = 1,943,586,385,185.26/1,603,497.47 - Step 6: Final answer
x = 1,212,091.96
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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.