Finding the Fourth Proportional to 5,914,742.58, 8,159,241.74 and 5,138,629.58
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Solution
The fourth proportional to 5,914,742.58, 8,159,241.74 and 5,138,629.58 is: 7,088,612.97
Step by Step Solution
- Step 1: Write the proportion equation
5,914,742.58 : 8,159,241.74 = 5,138,629.58 : x - Step 2: Convert to fraction form
5,914,742.58/8,159,241.74 = 5,138,629.58/x - Step 3: Cross multiply
5,914,742.58x = 8,159,241.74 × 5,138,629.58 - Step 4: Simplify right side
5,914,742.58x = 41,927,320,955,534.67 - Step 5: Solve for x
x = 41,927,320,955,534.67/5,914,742.58 - Step 6: Final answer
x = 7,088,612.97
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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.