Finding the Fourth Proportional to 1,900,671.99, 2,850,770.21 and 621,172.42
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Solution
The fourth proportional to 1,900,671.99, 2,850,770.21 and 621,172.42 is: 931,680.92
Step by Step Solution
- Step 1: Write the proportion equation
1,900,671.99 : 2,850,770.21 = 621,172.42 : x - Step 2: Convert to fraction form
1,900,671.99/2,850,770.21 = 621,172.42/x - Step 3: Cross multiply
1,900,671.99x = 2,850,770.21 × 621,172.42 - Step 4: Simplify right side
1,900,671.99x = 1,770,819,819,976.82 - Step 5: Solve for x
x = 1,770,819,819,976.82/1,900,671.99 - Step 6: Final answer
x = 931,680.92
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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.