Finding the Fourth Proportional to 2,814,131.44, 4,221,138.84 and 684,226.72
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Solution
The fourth proportional to 2,814,131.44, 4,221,138.84 and 684,226.72 is: 1,026,325.90
Step by Step Solution
- Step 1: Write the proportion equation
2,814,131.44 : 4,221,138.84 = 684,226.72 : x - Step 2: Convert to fraction form
2,814,131.44/4,221,138.84 = 684,226.72/x - Step 3: Cross multiply
2,814,131.44x = 4,221,138.84 × 684,226.72 - Step 4: Simplify right side
2,814,131.44x = 2,888,215,983,157.81 - Step 5: Solve for x
x = 2,888,215,983,157.81/2,814,131.44 - Step 6: Final answer
x = 1,026,325.90
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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.