Finding the Fourth Proportional to 6,821,509.11, 9,413,624.84 and 3,765,657.75
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Solution
The fourth proportional to 6,821,509.11, 9,413,624.84 and 3,765,657.75 is: 5,196,575.82
Step by Step Solution
- Step 1: Write the proportion equation
6,821,509.11 : 9,413,624.84 = 3,765,657.75 : x - Step 2: Convert to fraction form
6,821,509.11/9,413,624.84 = 3,765,657.75/x - Step 3: Cross multiply
6,821,509.11x = 9,413,624.84 × 3,765,657.75 - Step 4: Simplify right side
6,821,509.11x = 35,448,489,315,510.23 - Step 5: Solve for x
x = 35,448,489,315,510.23/6,821,509.11 - Step 6: Final answer
x = 5,196,575.82
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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.