Finding the Fourth Proportional to 3,593,540.20, 5,390,310.30 and 2,790,473.80
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Solution
The fourth proportional to 3,593,540.20, 5,390,310.30 and 2,790,473.80 is: 4,185,710.70
Step by Step Solution
- Step 1: Write the proportion equation
3,593,540.20 : 5,390,310.30 = 2,790,473.80 : x - Step 2: Convert to fraction form
3,593,540.20/5,390,310.30 = 2,790,473.80/x - Step 3: Cross multiply
3,593,540.20x = 5,390,310.30 × 2,790,473.80 - Step 4: Simplify right side
3,593,540.20x = 15,041,519,666,020.14 - Step 5: Solve for x
x = 15,041,519,666,020.14/3,593,540.20 - Step 6: Final answer
x = 4,185,710.70
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1.5x scale
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.