Finding the Fourth Proportional to 2,125,576.50, 3,188,352.84 and 528,138.90
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Solution
The fourth proportional to 2,125,576.50, 3,188,352.84 and 528,138.90 is: 792,205.39
Step by Step Solution
- Step 1: Write the proportion equation
2,125,576.50 : 3,188,352.84 = 528,138.90 : x - Step 2: Convert to fraction form
2,125,576.50/3,188,352.84 = 528,138.90/x - Step 3: Cross multiply
2,125,576.50x = 3,188,352.84 × 528,138.90 - Step 4: Simplify right side
2,125,576.50x = 1,683,893,161,729.48 - Step 5: Solve for x
x = 1,683,893,161,729.48/2,125,576.50 - Step 6: Final answer
x = 792,205.39
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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.