Finding the Fourth Proportional to 7,187,910.38, 10,785,232.49 and 3,542,653.09
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Solution
The fourth proportional to 7,187,910.38, 10,785,232.49 and 3,542,653.09 is: 5,315,639.06
Step by Step Solution
- Step 1: Write the proportion equation
7,187,910.38 : 10,785,232.49 = 3,542,653.09 : x - Step 2: Convert to fraction form
7,187,910.38/10,785,232.49 = 3,542,653.09/x - Step 3: Cross multiply
7,187,910.38x = 10,785,232.49 × 3,542,653.09 - Step 4: Simplify right side
7,187,910.38x = 38,208,337,162,390.55 - Step 5: Solve for x
x = 38,208,337,162,390.55/7,187,910.38 - Step 6: Final answer
x = 5,315,639.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.