Finding the Fourth Proportional to 2,379,961.07, 3,284,403.35 and 1,292,278.49
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Solution
The fourth proportional to 2,379,961.07, 3,284,403.35 and 1,292,278.49 is: 1,783,375.30
Step by Step Solution
- Step 1: Write the proportion equation
2,379,961.07 : 3,284,403.35 = 1,292,278.49 : x - Step 2: Convert to fraction form
2,379,961.07/3,284,403.35 = 1,292,278.49/x - Step 3: Cross multiply
2,379,961.07x = 3,284,403.35 × 1,292,278.49 - Step 4: Simplify right side
2,379,961.07x = 4,244,363,791,122.05 - Step 5: Solve for x
x = 4,244,363,791,122.05/2,379,961.07 - Step 6: Final answer
x = 1,783,375.30
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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.