Finding the Fourth Proportional to 5,446,133.21, 7,515,798.60 and 2,965,489.87
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Solution
The fourth proportional to 5,446,133.21, 7,515,798.60 and 2,965,489.87 is: 4,092,449.40
Step by Step Solution
- Step 1: Write the proportion equation
5,446,133.21 : 7,515,798.60 = 2,965,489.87 : x - Step 2: Convert to fraction form
5,446,133.21/7,515,798.60 = 2,965,489.87/x - Step 3: Cross multiply
5,446,133.21x = 7,515,798.60 × 2,965,489.87 - Step 4: Simplify right side
5,446,133.21x = 22,288,024,613,260.18 - Step 5: Solve for x
x = 22,288,024,613,260.18/5,446,133.21 - Step 6: Final answer
x = 4,092,449.40
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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.