Finding the Fourth Proportional to 5,905,138.98, 8,857,708.59 and 1,417,414.98
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Solution
The fourth proportional to 5,905,138.98, 8,857,708.59 and 1,417,414.98 is: 2,126,122.50
Step by Step Solution
- Step 1: Write the proportion equation
5,905,138.98 : 8,857,708.59 = 1,417,414.98 : x - Step 2: Convert to fraction form
5,905,138.98/8,857,708.59 = 1,417,414.98/x - Step 3: Cross multiply
5,905,138.98x = 8,857,708.59 × 1,417,414.98 - Step 4: Simplify right side
5,905,138.98x = 12,555,048,836,853.60 - Step 5: Solve for x
x = 12,555,048,836,853.60/5,905,138.98 - Step 6: Final answer
x = 2,126,122.50
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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.