Finding the Fourth Proportional to 2,551,539.76, 3,825,980.80 and 1,203,340.39
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Solution
The fourth proportional to 2,551,539.76, 3,825,980.80 and 1,203,340.39 is: 1,804,383.88
Step by Step Solution
- Step 1: Write the proportion equation
2,551,539.76 : 3,825,980.80 = 1,203,340.39 : x - Step 2: Convert to fraction form
2,551,539.76/3,825,980.80 = 1,203,340.39/x - Step 3: Cross multiply
2,551,539.76x = 3,825,980.80 × 1,203,340.39 - Step 4: Simplify right side
2,551,539.76x = 4,603,957,215,431.21 - Step 5: Solve for x
x = 4,603,957,215,431.21/2,551,539.76 - Step 6: Final answer
x = 1,804,383.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.