Finding the Fourth Proportional to 2,303,112.78, 3,178,299.87 and 1,284,583.14
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Solution
The fourth proportional to 2,303,112.78, 3,178,299.87 and 1,284,583.14 is: 1,772,727.09
Step by Step Solution
- Step 1: Write the proportion equation
2,303,112.78 : 3,178,299.87 = 1,284,583.14 : x - Step 2: Convert to fraction form
2,303,112.78/3,178,299.87 = 1,284,583.14/x - Step 3: Cross multiply
2,303,112.78x = 3,178,299.87 × 1,284,583.14 - Step 4: Simplify right side
2,303,112.78x = 4,082,790,426,866.19 - Step 5: Solve for x
x = 4,082,790,426,866.19/2,303,112.78 - Step 6: Final answer
x = 1,772,727.09
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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.