Finding the Fourth Proportional to 7,107,660.75, 10,661,482.47 and 2,315,342.19
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Solution
The fourth proportional to 7,107,660.75, 10,661,482.47 and 2,315,342.19 is: 3,473,010.47
Step by Step Solution
- Step 1: Write the proportion equation
7,107,660.75 : 10,661,482.47 = 2,315,342.19 : x - Step 2: Convert to fraction form
7,107,660.75/10,661,482.47 = 2,315,342.19/x - Step 3: Cross multiply
7,107,660.75x = 10,661,482.47 × 2,315,342.19 - Step 4: Simplify right side
7,107,660.75x = 24,684,980,170,736.41 - Step 5: Solve for x
x = 24,684,980,170,736.41/7,107,660.75 - Step 6: Final answer
x = 3,473,010.47
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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.