Finding the Fourth Proportional to 1,603,886.97, 2,213,363.96 and 878,762.16
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Solution
The fourth proportional to 1,603,886.97, 2,213,363.96 and 878,762.16 is: 1,212,691.75
Step by Step Solution
- Step 1: Write the proportion equation
1,603,886.97 : 2,213,363.96 = 878,762.16 : x - Step 2: Convert to fraction form
1,603,886.97/2,213,363.96 = 878,762.16/x - Step 3: Cross multiply
1,603,886.97x = 2,213,363.96 × 878,762.16 - Step 4: Simplify right side
1,603,886.97x = 1,945,020,489,961.94 - Step 5: Solve for x
x = 1,945,020,489,961.94/1,603,886.97 - Step 6: Final answer
x = 1,212,691.75
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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.