Finding the Fourth Proportional to 2,601,351.40, 3,896,122.20 and 1,337,702.80
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Solution
The fourth proportional to 2,601,351.40, 3,896,122.20 and 1,337,702.80 is: 2,003,517.70
Step by Step Solution
- Step 1: Write the proportion equation
2,601,351.40 : 3,896,122.20 = 1,337,702.80 : x - Step 2: Convert to fraction form
2,601,351.40/3,896,122.20 = 1,337,702.80/x - Step 3: Cross multiply
2,601,351.40x = 3,896,122.20 × 1,337,702.80 - Step 4: Simplify right side
2,601,351.40x = 5,211,853,576,082.16 - Step 5: Solve for x
x = 5,211,853,576,082.16/2,601,351.40 - Step 6: Final answer
x = 2,003,517.70
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1.5x scale
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.