Finding the Fourth Proportional to 2,193,309.40, 3,283,512.90 and 1,634,819.80
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Solution
The fourth proportional to 2,193,309.40, 3,283,512.90 and 1,634,819.80 is: 2,447,421.19
Step by Step Solution
- Step 1: Write the proportion equation
2,193,309.40 : 3,283,512.90 = 1,634,819.80 : x - Step 2: Convert to fraction form
2,193,309.40/3,283,512.90 = 1,634,819.80/x - Step 3: Cross multiply
2,193,309.40x = 3,283,512.90 × 1,634,819.80 - Step 4: Simplify right side
2,193,309.40x = 5,367,951,902,475.42 - Step 5: Solve for x
x = 5,367,951,902,475.42/2,193,309.40 - Step 6: Final answer
x = 2,447,421.19
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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.