Finding the Fourth Proportional to 2,991,693.76, 4,489,316.16 and 1,195,424.80
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Solution
The fourth proportional to 2,991,693.76, 4,489,316.16 and 1,195,424.80 is: 1,793,846.66
Step by Step Solution
- Step 1: Write the proportion equation
2,991,693.76 : 4,489,316.16 = 1,195,424.80 : x - Step 2: Convert to fraction form
2,991,693.76/4,489,316.16 = 1,195,424.80/x - Step 3: Cross multiply
2,991,693.76x = 4,489,316.16 × 1,195,424.80 - Step 4: Simplify right side
2,991,693.76x = 5,366,639,872,704.77 - Step 5: Solve for x
x = 5,366,639,872,704.77/2,991,693.76 - Step 6: Final answer
x = 1,793,846.66
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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.