Finding the Fourth Proportional to 4,181,696.57, 5,772,768.39 and 2,804,537.21
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Solution
The fourth proportional to 4,181,696.57, 5,772,768.39 and 2,804,537.21 is: 3,871,620.88
Step by Step Solution
- Step 1: Write the proportion equation
4,181,696.57 : 5,772,768.39 = 2,804,537.21 : x - Step 2: Convert to fraction form
4,181,696.57/5,772,768.39 = 2,804,537.21/x - Step 3: Cross multiply
4,181,696.57x = 5,772,768.39 × 2,804,537.21 - Step 4: Simplify right side
4,181,696.57x = 16,189,943,725,602.95 - Step 5: Solve for x
x = 16,189,943,725,602.95/4,181,696.57 - Step 6: Final answer
x = 3,871,620.88
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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.