Finding the Fourth Proportional to 1,515,631.68, 2,273,874 and 662,778.24
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Solution
The fourth proportional to 1,515,631.68, 2,273,874 and 662,778.24 is: 994,353.86
Step by Step Solution
- Step 1: Write the proportion equation
1,515,631.68 : 2,273,874 = 662,778.24 : x - Step 2: Convert to fraction form
1,515,631.68/2,273,874 = 662,778.24/x - Step 3: Cross multiply
1,515,631.68x = 2,273,874 × 662,778.24 - Step 4: Simplify right side
1,515,631.68x = 1,507,074,207,701.76 - Step 5: Solve for x
x = 1,507,074,207,701.76/1,515,631.68 - Step 6: Final answer
x = 994,353.86
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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.