Finding the Fourth Proportional to 3,222,414.24, 4,446,842.98 and 1,772,109.68
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Solution
The fourth proportional to 3,222,414.24, 4,446,842.98 and 1,772,109.68 is: 2,445,462.59
Step by Step Solution
- Step 1: Write the proportion equation
3,222,414.24 : 4,446,842.98 = 1,772,109.68 : x - Step 2: Convert to fraction form
3,222,414.24/4,446,842.98 = 1,772,109.68/x - Step 3: Cross multiply
3,222,414.24x = 4,446,842.98 × 1,772,109.68 - Step 4: Simplify right side
3,222,414.24x = 7,880,293,481,437.50 - Step 5: Solve for x
x = 7,880,293,481,437.50/3,222,414.24 - Step 6: Final answer
x = 2,445,462.59
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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.