Finding the Fourth Proportional to 1,861,239.74, 2,568,454.76 and 1,034,310.50
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Solution
The fourth proportional to 1,861,239.74, 2,568,454.76 and 1,034,310.50 is: 1,427,317.33
Step by Step Solution
- Step 1: Write the proportion equation
1,861,239.74 : 2,568,454.76 = 1,034,310.50 : x - Step 2: Convert to fraction form
1,861,239.74/2,568,454.76 = 1,034,310.50/x - Step 3: Cross multiply
1,861,239.74x = 2,568,454.76 × 1,034,310.50 - Step 4: Simplify right side
1,861,239.74x = 2,656,579,727,042.98 - Step 5: Solve for x
x = 2,656,579,727,042.98/1,861,239.74 - Step 6: Final answer
x = 1,427,317.33
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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.