Finding the Fourth Proportional to 1,603,255.96, 2,212,495.36 and 868,211.49
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Solution
The fourth proportional to 1,603,255.96, 2,212,495.36 and 868,211.49 is: 1,198,133.02
Step by Step Solution
- Step 1: Write the proportion equation
1,603,255.96 : 2,212,495.36 = 868,211.49 : x - Step 2: Convert to fraction form
1,603,255.96/2,212,495.36 = 868,211.49/x - Step 3: Cross multiply
1,603,255.96x = 2,212,495.36 × 868,211.49 - Step 4: Simplify right side
1,603,255.96x = 1,920,913,899,250.02 - Step 5: Solve for x
x = 1,920,913,899,250.02/1,603,255.96 - Step 6: Final answer
x = 1,198,133.02
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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.