Finding the Fourth Proportional to 2,843,793.84, 3,924,458.70 and 1,620,079.86
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Solution
The fourth proportional to 2,843,793.84, 3,924,458.70 and 1,620,079.86 is: 2,235,723.42
Step by Step Solution
- Step 1: Write the proportion equation
2,843,793.84 : 3,924,458.70 = 1,620,079.86 : x - Step 2: Convert to fraction form
2,843,793.84/3,924,458.70 = 1,620,079.86/x - Step 3: Cross multiply
2,843,793.84x = 3,924,458.70 × 1,620,079.86 - Step 4: Simplify right side
2,843,793.84x = 6,357,936,481,649.49 - Step 5: Solve for x
x = 6,357,936,481,649.49/2,843,793.84 - Step 6: Final answer
x = 2,235,723.42
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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.