Finding the Fourth Proportional to 3,912,755.46, 5,399,657.70 and 2,363,801.79
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Solution
The fourth proportional to 3,912,755.46, 5,399,657.70 and 2,363,801.79 is: 3,262,079.80
Step by Step Solution
- Step 1: Write the proportion equation
3,912,755.46 : 5,399,657.70 = 2,363,801.79 : x - Step 2: Convert to fraction form
3,912,755.46/5,399,657.70 = 2,363,801.79/x - Step 3: Cross multiply
3,912,755.46x = 5,399,657.70 × 2,363,801.79 - Step 4: Simplify right side
3,912,755.46x = 12,763,720,536,647.28 - Step 5: Solve for x
x = 12,763,720,536,647.28/3,912,755.46 - Step 6: Final answer
x = 3,262,079.80
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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.