Finding the Fourth Proportional to 6,825,198.99, 9,418,716.85 and 3,769,347.63
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Solution
The fourth proportional to 6,825,198.99, 9,418,716.85 and 3,769,347.63 is: 5,201,667.83
Step by Step Solution
- Step 1: Write the proportion equation
6,825,198.99 : 9,418,716.85 = 3,769,347.63 : x - Step 2: Convert to fraction form
6,825,198.99/9,418,716.85 = 3,769,347.63/x - Step 3: Cross multiply
6,825,198.99x = 9,418,716.85 × 3,769,347.63 - Step 4: Simplify right side
6,825,198.99x = 35,502,418,036,188.56 - Step 5: Solve for x
x = 35,502,418,036,188.56/6,825,198.99 - Step 6: Final answer
x = 5,201,667.83
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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.