Finding the Fourth Proportional to 2,328,857.87, 3,213,790.94 and 1,310,260.19
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Solution
The fourth proportional to 2,328,857.87, 3,213,790.94 and 1,310,260.19 is: 1,808,140.54
Step by Step Solution
- Step 1: Write the proportion equation
2,328,857.87 : 3,213,790.94 = 1,310,260.19 : x - Step 2: Convert to fraction form
2,328,857.87/3,213,790.94 = 1,310,260.19/x - Step 3: Cross multiply
2,328,857.87x = 3,213,790.94 × 1,310,260.19 - Step 4: Simplify right side
2,328,857.87x = 4,210,902,321,113.38 - Step 5: Solve for x
x = 4,210,902,321,113.38/2,328,857.87 - Step 6: Final answer
x = 1,808,140.54
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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.