Finding the Fourth Proportional to 1,863,423.17, 2,792,283.69 and 1,253,954.44
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Solution
The fourth proportional to 1,863,423.17, 2,792,283.69 and 1,253,954.44 is: 1,879,013.09
Step by Step Solution
- Step 1: Write the proportion equation
1,863,423.17 : 2,792,283.69 = 1,253,954.44 : x - Step 2: Convert to fraction form
1,863,423.17/2,792,283.69 = 1,253,954.44/x - Step 3: Cross multiply
1,863,423.17x = 2,792,283.69 × 1,253,954.44 - Step 4: Simplify right side
1,863,423.17x = 3,501,396,539,807.57 - Step 5: Solve for x
x = 3,501,396,539,807.57/1,863,423.17 - Step 6: Final answer
x = 1,879,013.09
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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.