Finding the Fourth Proportional to 6,665,703.20, 9,198,675.60 and 3,765,099.68
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Solution
The fourth proportional to 6,665,703.20, 9,198,675.60 and 3,765,099.68 is: 5,195,840.49
Step by Step Solution
- Step 1: Write the proportion equation
6,665,703.20 : 9,198,675.60 = 3,765,099.68 : x - Step 2: Convert to fraction form
6,665,703.20/9,198,675.60 = 3,765,099.68/x - Step 3: Cross multiply
6,665,703.20x = 9,198,675.60 × 3,765,099.68 - Step 4: Simplify right side
6,665,703.20x = 34,633,930,557,983.81 - Step 5: Solve for x
x = 34,633,930,557,983.81/6,665,703.20 - Step 6: Final answer
x = 5,195,840.49
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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.