Finding the Fourth Proportional to 2,916,129.70, 4,374,194.55 and 2,738,982.70
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Solution
The fourth proportional to 2,916,129.70, 4,374,194.55 and 2,738,982.70 is: 4,108,474.05
Step by Step Solution
- Step 1: Write the proportion equation
2,916,129.70 : 4,374,194.55 = 2,738,982.70 : x - Step 2: Convert to fraction form
2,916,129.70/4,374,194.55 = 2,738,982.70/x - Step 3: Cross multiply
2,916,129.70x = 4,374,194.55 × 2,738,982.70 - Step 4: Simplify right side
2,916,129.70x = 11,980,843,198,884.29 - Step 5: Solve for x
x = 11,980,843,198,884.29/2,916,129.70 - Step 6: Final answer
x = 4,108,474.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.