Finding the Fourth Proportional to 3,187,317.23, 4,399,207.71 and 2,025,536.96
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Solution
The fourth proportional to 3,187,317.23, 4,399,207.71 and 2,025,536.96 is: 2,795,692.16
Step by Step Solution
- Step 1: Write the proportion equation
3,187,317.23 : 4,399,207.71 = 2,025,536.96 : x - Step 2: Convert to fraction form
3,187,317.23/4,399,207.71 = 2,025,536.96/x - Step 3: Cross multiply
3,187,317.23x = 4,399,207.71 × 2,025,536.96 - Step 4: Simplify right side
3,187,317.23x = 8,910,757,809,620.83 - Step 5: Solve for x
x = 8,910,757,809,620.83/3,187,317.23 - Step 6: Final answer
x = 2,795,692.16
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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.