Finding the Fourth Proportional to 4,751,682.18, 6,557,459.70 and 2,686,653.39
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Solution
The fourth proportional to 4,751,682.18, 6,557,459.70 and 2,686,653.39 is: 3,707,659.87
Step by Step Solution
- Step 1: Write the proportion equation
4,751,682.18 : 6,557,459.70 = 2,686,653.39 : x - Step 2: Convert to fraction form
4,751,682.18/6,557,459.70 = 2,686,653.39/x - Step 3: Cross multiply
4,751,682.18x = 6,557,459.70 × 2,686,653.39 - Step 4: Simplify right side
4,751,682.18x = 17,617,621,332,793.38 - Step 5: Solve for x
x = 17,617,621,332,793.38/4,751,682.18 - Step 6: Final answer
x = 3,707,659.87
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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.