Finding the Fourth Proportional to 3,701,814.11, 5,555,118.85 and 1,997,134.08
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Solution
The fourth proportional to 3,701,814.11, 5,555,118.85 and 1,997,134.08 is: 2,996,994.67
Step by Step Solution
- Step 1: Write the proportion equation
3,701,814.11 : 5,555,118.85 = 1,997,134.08 : x - Step 2: Convert to fraction form
3,701,814.11/5,555,118.85 = 1,997,134.08/x - Step 3: Cross multiply
3,701,814.11x = 5,555,118.85 × 1,997,134.08 - Step 4: Simplify right side
3,701,814.11x = 11,094,317,147,960.88 - Step 5: Solve for x
x = 11,094,317,147,960.88/3,701,814.11 - Step 6: Final answer
x = 2,996,994.67
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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.