Finding the Fourth Proportional to 1,603,886.97, 2,213,363.97 and 878,762.15
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Solution
The fourth proportional to 1,603,886.97, 2,213,363.97 and 878,762.15 is: 1,212,691.73
Step by Step Solution
- Step 1: Write the proportion equation
1,603,886.97 : 2,213,363.97 = 878,762.15 : x - Step 2: Convert to fraction form
1,603,886.97/2,213,363.97 = 878,762.15/x - Step 3: Cross multiply
1,603,886.97x = 2,213,363.97 × 878,762.15 - Step 4: Simplify right side
1,603,886.97x = 1,945,020,469,942.92 - Step 5: Solve for x
x = 1,945,020,469,942.92/1,603,886.97 - Step 6: Final answer
x = 1,212,691.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.