Finding the Fourth Proportional to 1,861,205.48, 2,792,002.28 and 513,368.31
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Solution
The fourth proportional to 1,861,205.48, 2,792,002.28 and 513,368.31 is: 770,105.99
Step by Step Solution
- Step 1: Write the proportion equation
1,861,205.48 : 2,792,002.28 = 513,368.31 : x - Step 2: Convert to fraction form
1,861,205.48/2,792,002.28 = 513,368.31/x - Step 3: Cross multiply
1,861,205.48x = 2,792,002.28 × 513,368.31 - Step 4: Simplify right side
1,861,205.48x = 1,433,325,489,432.91 - Step 5: Solve for x
x = 1,433,325,489,432.91/1,861,205.48 - Step 6: Final answer
x = 770,105.99
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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.