Finding the Fourth Proportional to 5,115,452.76, 7,059,325.50 and 2,823,613.92
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Solution
The fourth proportional to 5,115,452.76, 7,059,325.50 and 2,823,613.92 is: 3,896,587.59
Step by Step Solution
- Step 1: Write the proportion equation
5,115,452.76 : 7,059,325.50 = 2,823,613.92 : x - Step 2: Convert to fraction form
5,115,452.76/7,059,325.50 = 2,823,613.92/x - Step 3: Cross multiply
5,115,452.76x = 7,059,325.50 × 2,823,613.92 - Step 4: Simplify right side
5,115,452.76x = 19,932,809,747,610.96 - Step 5: Solve for x
x = 19,932,809,747,610.96/5,115,452.76 - Step 6: Final answer
x = 3,896,587.59
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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.