Finding the Fourth Proportional to 4,621,378.88, 6,935,473.44 and 2,192,540.96
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Solution
The fourth proportional to 4,621,378.88, 6,935,473.44 and 2,192,540.96 is: 3,290,426.95
Step by Step Solution
- Step 1: Write the proportion equation
4,621,378.88 : 6,935,473.44 = 2,192,540.96 : x - Step 2: Convert to fraction form
4,621,378.88/6,935,473.44 = 2,192,540.96/x - Step 3: Cross multiply
4,621,378.88x = 6,935,473.44 × 2,192,540.96 - Step 4: Simplify right side
4,621,378.88x = 15,206,309,594,192.10 - Step 5: Solve for x
x = 15,206,309,594,192.10/4,621,378.88 - Step 6: Final answer
x = 3,290,426.95
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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.