Finding the Fourth Proportional to 3,222,407.97, 4,447,037.16 and 1,772,215.56
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Solution
The fourth proportional to 3,222,407.97, 4,447,037.16 and 1,772,215.56 is: 2,445,720.26
Step by Step Solution
- Step 1: Write the proportion equation
3,222,407.97 : 4,447,037.16 = 1,772,215.56 : x - Step 2: Convert to fraction form
3,222,407.97/4,447,037.16 = 1,772,215.56/x - Step 3: Cross multiply
3,222,407.97x = 4,447,037.16 × 1,772,215.56 - Step 4: Simplify right side
3,222,407.97x = 7,881,108,450,850.21 - Step 5: Solve for x
x = 7,881,108,450,850.21/3,222,407.97 - Step 6: Final answer
x = 2,445,720.26
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1.5x scale
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.