Finding the Fourth Proportional to 4,293,822.06, 5,918,924.79 and 3,638,027.70
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Solution
The fourth proportional to 4,293,822.06, 5,918,924.79 and 3,638,027.70 is: 5,014,928.90
Step by Step Solution
- Step 1: Write the proportion equation
4,293,822.06 : 5,918,924.79 = 3,638,027.70 : x - Step 2: Convert to fraction form
4,293,822.06/5,918,924.79 = 3,638,027.70/x - Step 3: Cross multiply
4,293,822.06x = 5,918,924.79 × 3,638,027.70 - Step 4: Simplify right side
4,293,822.06x = 21,533,212,340,236.68 - Step 5: Solve for x
x = 21,533,212,340,236.68/4,293,822.06 - Step 6: Final answer
x = 5,014,928.90
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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.