Finding the Fourth Proportional to 1,540,873.14, 2,126,393.37 and 861,809.64
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Solution
The fourth proportional to 1,540,873.14, 2,126,393.37 and 861,809.64 is: 1,189,290.84
Step by Step Solution
- Step 1: Write the proportion equation
1,540,873.14 : 2,126,393.37 = 861,809.64 : x - Step 2: Convert to fraction form
1,540,873.14/2,126,393.37 = 861,809.64/x - Step 3: Cross multiply
1,540,873.14x = 2,126,393.37 × 861,809.64 - Step 4: Simplify right side
1,540,873.14x = 1,832,546,304,698.09 - Step 5: Solve for x
x = 1,832,546,304,698.09/1,540,873.14 - Step 6: Final answer
x = 1,189,290.84
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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.