Finding the Fourth Proportional to 3,752,481.99, 5,167,685.09 and 3,518,655.39
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Solution
The fourth proportional to 3,752,481.99, 5,167,685.09 and 3,518,655.39 is: 4,845,673.63
Step by Step Solution
- Step 1: Write the proportion equation
3,752,481.99 : 5,167,685.09 = 3,518,655.39 : x - Step 2: Convert to fraction form
3,752,481.99/5,167,685.09 = 3,518,655.39/x - Step 3: Cross multiply
3,752,481.99x = 5,167,685.09 × 3,518,655.39 - Step 4: Simplify right side
3,752,481.99x = 18,183,303,009,495.00 - Step 5: Solve for x
x = 18,183,303,009,495.00/3,752,481.99 - Step 6: Final answer
x = 4,845,673.63
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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.