Finding the Fourth Proportional to 2,100,618.92, 2,899,130.36 and 1,183,027.44
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Solution
The fourth proportional to 2,100,618.92, 2,899,130.36 and 1,183,027.44 is: 1,632,733.45
Step by Step Solution
- Step 1: Write the proportion equation
2,100,618.92 : 2,899,130.36 = 1,183,027.44 : x - Step 2: Convert to fraction form
2,100,618.92/2,899,130.36 = 1,183,027.44/x - Step 3: Cross multiply
2,100,618.92x = 2,899,130.36 × 1,183,027.44 - Step 4: Simplify right side
2,100,618.92x = 3,429,750,772,973.68 - Step 5: Solve for x
x = 3,429,750,772,973.68/2,100,618.92 - Step 6: Final answer
x = 1,632,733.45
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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.