Finding the Fourth Proportional to 5,686,992.21, 8,530,488.33 and 1,900,475.08
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Solution
The fourth proportional to 5,686,992.21, 8,530,488.33 and 1,900,475.08 is: 2,850,712.63
Step by Step Solution
- Step 1: Write the proportion equation
5,686,992.21 : 8,530,488.33 = 1,900,475.08 : x - Step 2: Convert to fraction form
5,686,992.21/8,530,488.33 = 1,900,475.08/x - Step 3: Cross multiply
5,686,992.21x = 8,530,488.33 × 1,900,475.08 - Step 4: Simplify right side
5,686,992.21x = 16,211,980,491,395.82 - Step 5: Solve for x
x = 16,211,980,491,395.82/5,686,992.21 - Step 6: Final answer
x = 2,850,712.63
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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.