Finding the Fourth Proportional to 4,794,134.40, 6,615,860.76 and 2,618,676.72
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Solution
The fourth proportional to 4,794,134.40, 6,615,860.76 and 2,618,676.72 is: 3,613,749.45
Step by Step Solution
- Step 1: Write the proportion equation
4,794,134.40 : 6,615,860.76 = 2,618,676.72 : x - Step 2: Convert to fraction form
4,794,134.40/6,615,860.76 = 2,618,676.72/x - Step 3: Cross multiply
4,794,134.40x = 6,615,860.76 × 2,618,676.72 - Step 4: Simplify right side
4,794,134.40x = 17,324,800,554,973.51 - Step 5: Solve for x
x = 17,324,800,554,973.51/4,794,134.40 - Step 6: Final answer
x = 3,613,749.45
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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.