Finding the Fourth Proportional to 2,449,844.09, 3,380,871.64 and 1,347,360.77
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Solution
The fourth proportional to 2,449,844.09, 3,380,871.64 and 1,347,360.77 is: 1,859,405.59
Step by Step Solution
- Step 1: Write the proportion equation
2,449,844.09 : 3,380,871.64 = 1,347,360.77 : x - Step 2: Convert to fraction form
2,449,844.09/3,380,871.64 = 1,347,360.77/x - Step 3: Cross multiply
2,449,844.09x = 3,380,871.64 × 1,347,360.77 - Step 4: Simplify right side
2,449,844.09x = 4,555,253,804,734.24 - Step 5: Solve for x
x = 4,555,253,804,734.24/2,449,844.09 - Step 6: Final answer
x = 1,859,405.59
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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.