Finding the Fourth Proportional to 3,853,700.28, 5,318,106.48 and 2,134,932.12
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Solution
The fourth proportional to 3,853,700.28, 5,318,106.48 and 2,134,932.12 is: 2,946,206.38
Step by Step Solution
- Step 1: Write the proportion equation
3,853,700.28 : 5,318,106.48 = 2,134,932.12 : x - Step 2: Convert to fraction form
3,853,700.28/5,318,106.48 = 2,134,932.12/x - Step 3: Cross multiply
3,853,700.28x = 5,318,106.48 × 2,134,932.12 - Step 4: Simplify right side
3,853,700.28x = 11,353,796,341,732.14 - Step 5: Solve for x
x = 11,353,796,341,732.14/3,853,700.28 - Step 6: Final answer
x = 2,946,206.38
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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.