Finding the Fourth Proportional to 4,937,899.23, 7,405,311.54 and 1,742,276.70
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Solution
The fourth proportional to 4,937,899.23, 7,405,311.54 and 1,742,276.70 is: 2,612,872.63
Step by Step Solution
- Step 1: Write the proportion equation
4,937,899.23 : 7,405,311.54 = 1,742,276.70 : x - Step 2: Convert to fraction form
4,937,899.23/7,405,311.54 = 1,742,276.70/x - Step 3: Cross multiply
4,937,899.23x = 7,405,311.54 × 1,742,276.70 - Step 4: Simplify right side
4,937,899.23x = 12,902,101,752,383.12 - Step 5: Solve for x
x = 12,902,101,752,383.12/4,937,899.23 - Step 6: Final answer
x = 2,612,872.63
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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.