Finding the Fourth Proportional to 2,660,621.70, 3,991,450.95 and 1,062,912.90
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Solution
The fourth proportional to 2,660,621.70, 3,991,450.95 and 1,062,912.90 is: 1,594,576.45
Step by Step Solution
- Step 1: Write the proportion equation
2,660,621.70 : 3,991,450.95 = 1,062,912.90 : x - Step 2: Convert to fraction form
2,660,621.70/3,991,450.95 = 1,062,912.90/x - Step 3: Cross multiply
2,660,621.70x = 3,991,450.95 × 1,062,912.90 - Step 4: Simplify right side
2,660,621.70x = 4,242,564,704,472.26 - Step 5: Solve for x
x = 4,242,564,704,472.26/2,660,621.70 - Step 6: Final answer
x = 1,594,576.45
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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.