Finding the Fourth Proportional to 3,909,562.23, 5,391,996.76 and 2,751,840.98
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Solution
The fourth proportional to 3,909,562.23, 5,391,996.76 and 2,751,840.98 is: 3,795,288.77
Step by Step Solution
- Step 1: Write the proportion equation
3,909,562.23 : 5,391,996.76 = 2,751,840.98 : x - Step 2: Convert to fraction form
3,909,562.23/5,391,996.76 = 2,751,840.98/x - Step 3: Cross multiply
3,909,562.23x = 5,391,996.76 × 2,751,840.98 - Step 4: Simplify right side
3,909,562.23x = 14,837,917,644,895.03 - Step 5: Solve for x
x = 14,837,917,644,895.03/3,909,562.23 - Step 6: Final answer
x = 3,795,288.77
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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.