Finding the Fourth Proportional to 2,956,138.24, 4,434,211.16 and 712,276.24
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Solution
The fourth proportional to 2,956,138.24, 4,434,211.16 and 712,276.24 is: 1,068,415.28
Step by Step Solution
- Step 1: Write the proportion equation
2,956,138.24 : 4,434,211.16 = 712,276.24 : x - Step 2: Convert to fraction form
2,956,138.24/4,434,211.16 = 712,276.24/x - Step 3: Cross multiply
2,956,138.24x = 4,434,211.16 × 712,276.24 - Step 4: Simplify right side
2,956,138.24x = 3,158,383,252,410.84 - Step 5: Solve for x
x = 3,158,383,252,410.84/2,956,138.24 - Step 6: Final answer
x = 1,068,415.28
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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.