Finding the Fourth Proportional to 4,000,311.20, 5,519,078.06 and 2,604,237.14
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Solution
The fourth proportional to 4,000,311.20, 5,519,078.06 and 2,604,237.14 is: 3,592,967.47
Step by Step Solution
- Step 1: Write the proportion equation
4,000,311.20 : 5,519,078.06 = 2,604,237.14 : x - Step 2: Convert to fraction form
4,000,311.20/5,519,078.06 = 2,604,237.14/x - Step 3: Cross multiply
4,000,311.20x = 5,519,078.06 × 2,604,237.14 - Step 4: Simplify right side
4,000,311.20x = 14,372,988,028,305.16 - Step 5: Solve for x
x = 14,372,988,028,305.16/4,000,311.20 - Step 6: Final answer
x = 3,592,967.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.