Finding the Fourth Proportional to 3,943,791.14, 5,442,680.67 and 2,224,284.26
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Solution
The fourth proportional to 3,943,791.14, 5,442,680.67 and 2,224,284.26 is: 3,069,652.66
Step by Step Solution
- Step 1: Write the proportion equation
3,943,791.14 : 5,442,680.67 = 2,224,284.26 : x - Step 2: Convert to fraction form
3,943,791.14/5,442,680.67 = 2,224,284.26/x - Step 3: Cross multiply
3,943,791.14x = 5,442,680.67 × 2,224,284.26 - Step 4: Simplify right side
3,943,791.14x = 12,106,068,946,487.25 - Step 5: Solve for x
x = 12,106,068,946,487.25/3,943,791.14 - Step 6: Final answer
x = 3,069,652.66
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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.