Finding the Fourth Proportional to 3,259,427.80, 4,889,141.70 and 3,072,803.80
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Solution
The fourth proportional to 3,259,427.80, 4,889,141.70 and 3,072,803.80 is: 4,609,205.70
Step by Step Solution
- Step 1: Write the proportion equation
3,259,427.80 : 4,889,141.70 = 3,072,803.80 : x - Step 2: Convert to fraction form
3,259,427.80/4,889,141.70 = 3,072,803.80/x - Step 3: Cross multiply
3,259,427.80x = 4,889,141.70 × 3,072,803.80 - Step 4: Simplify right side
3,259,427.80x = 15,023,373,194,498.46 - Step 5: Solve for x
x = 15,023,373,194,498.46/3,259,427.80 - Step 6: Final answer
x = 4,609,205.70
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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.