Finding the Fourth Proportional to 3,416,215.14, 5,124,322.71 and 1,395,412.56
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Solution
The fourth proportional to 3,416,215.14, 5,124,322.71 and 1,395,412.56 is: 2,093,118.84
Step by Step Solution
- Step 1: Write the proportion equation
3,416,215.14 : 5,124,322.71 = 1,395,412.56 : x - Step 2: Convert to fraction form
3,416,215.14/5,124,322.71 = 1,395,412.56/x - Step 3: Cross multiply
3,416,215.14x = 5,124,322.71 × 1,395,412.56 - Step 4: Simplify right side
3,416,215.14x = 7,150,544,271,027.24 - Step 5: Solve for x
x = 7,150,544,271,027.24/3,416,215.14 - Step 6: Final answer
x = 2,093,118.84
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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.