Finding the Fourth Proportional to 2,842,049.76, 4,263,358.14 and 820,342.68
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Solution
The fourth proportional to 2,842,049.76, 4,263,358.14 and 820,342.68 is: 1,230,595.85
Step by Step Solution
- Step 1: Write the proportion equation
2,842,049.76 : 4,263,358.14 = 820,342.68 : x - Step 2: Convert to fraction form
2,842,049.76/4,263,358.14 = 820,342.68/x - Step 3: Cross multiply
2,842,049.76x = 4,263,358.14 × 820,342.68 - Step 4: Simplify right side
2,842,049.76x = 3,497,414,642,367.42 - Step 5: Solve for x
x = 3,497,414,642,367.42/2,842,049.76 - Step 6: Final answer
x = 1,230,595.85
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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.