Finding the Fourth Proportional to 3,591,437.12, 4,957,219.68 and 2,122,706.24
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Solution
The fourth proportional to 3,591,437.12, 4,957,219.68 and 2,122,706.24 is: 2,929,947.20
Step by Step Solution
- Step 1: Write the proportion equation
3,591,437.12 : 4,957,219.68 = 2,122,706.24 : x - Step 2: Convert to fraction form
3,591,437.12/4,957,219.68 = 2,122,706.24/x - Step 3: Cross multiply
3,591,437.12x = 4,957,219.68 × 2,122,706.24 - Step 4: Simplify right side
3,591,437.12x = 10,522,721,147,786.80 - Step 5: Solve for x
x = 10,522,721,147,786.80/3,591,437.12 - Step 6: Final answer
x = 2,929,947.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.