Finding the Fourth Proportional to 2,210,251.57, 3,315,378.11 and 994,408.21
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Solution
The fourth proportional to 2,210,251.57, 3,315,378.11 and 994,408.21 is: 1,491,612.65
Step by Step Solution
- Step 1: Write the proportion equation
2,210,251.57 : 3,315,378.11 = 994,408.21 : x - Step 2: Convert to fraction form
2,210,251.57/3,315,378.11 = 994,408.21/x - Step 3: Cross multiply
2,210,251.57x = 3,315,378.11 × 994,408.21 - Step 4: Simplify right side
2,210,251.57x = 3,296,839,211,838.28 - Step 5: Solve for x
x = 3,296,839,211,838.28/2,210,251.57 - Step 6: Final answer
x = 1,491,612.65
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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.