Finding the Fourth Proportional to 3,784,013.75, 5,221,251.42 and 2,235,527.53
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Solution
The fourth proportional to 3,784,013.75, 5,221,251.42 and 2,235,527.53 is: 3,084,621.80
Step by Step Solution
- Step 1: Write the proportion equation
3,784,013.75 : 5,221,251.42 = 2,235,527.53 : x - Step 2: Convert to fraction form
3,784,013.75/5,221,251.42 = 2,235,527.53/x - Step 3: Cross multiply
3,784,013.75x = 5,221,251.42 × 2,235,527.53 - Step 4: Simplify right side
3,784,013.75x = 11,672,251,290,461.59 - Step 5: Solve for x
x = 11,672,251,290,461.59/3,784,013.75 - Step 6: Final answer
x = 3,084,621.80
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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.