Finding the Fourth Proportional to 7,786,496.58, 11,673,421.67 and 3,240,947.81
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Solution
The fourth proportional to 7,786,496.58, 11,673,421.67 and 3,240,947.81 is: 4,858,789.83
Step by Step Solution
- Step 1: Write the proportion equation
7,786,496.58 : 11,673,421.67 = 3,240,947.81 : x - Step 2: Convert to fraction form
7,786,496.58/11,673,421.67 = 3,240,947.81/x - Step 3: Cross multiply
7,786,496.58x = 11,673,421.67 × 3,240,947.81 - Step 4: Simplify right side
7,786,496.58x = 37,832,950,396,593.05 - Step 5: Solve for x
x = 37,832,950,396,593.05/7,786,496.58 - Step 6: Final answer
x = 4,858,789.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.