Finding the Fourth Proportional to 3,533,323.82, 4,874,745.12 and 2,310,345.21
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Solution
The fourth proportional to 3,533,323.82, 4,874,745.12 and 2,310,345.21 is: 3,187,464.45
Step by Step Solution
- Step 1: Write the proportion equation
3,533,323.82 : 4,874,745.12 = 2,310,345.21 : x - Step 2: Convert to fraction form
3,533,323.82/4,874,745.12 = 2,310,345.21/x - Step 3: Cross multiply
3,533,323.82x = 4,874,745.12 × 2,310,345.21 - Step 4: Simplify right side
3,533,323.82x = 11,262,344,047,579.38 - Step 5: Solve for x
x = 11,262,344,047,579.38/3,533,323.82 - Step 6: Final answer
x = 3,187,464.45
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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.