Finding the Fourth Proportional to 3,130,511.10, 4,701,469.05 and 2,738,600.70
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Solution
The fourth proportional to 3,130,511.10, 4,701,469.05 and 2,738,600.70 is: 4,112,889.56
Step by Step Solution
- Step 1: Write the proportion equation
3,130,511.10 : 4,701,469.05 = 2,738,600.70 : x - Step 2: Convert to fraction form
3,130,511.10/4,701,469.05 = 2,738,600.70/x - Step 3: Cross multiply
3,130,511.10x = 4,701,469.05 × 2,738,600.70 - Step 4: Simplify right side
3,130,511.10x = 12,875,446,431,358.34 - Step 5: Solve for x
x = 12,875,446,431,358.34/3,130,511.10 - Step 6: Final answer
x = 4,112,889.56
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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.