Finding the Fourth Proportional to 2,414,678.70, 3,622,455.45 and 1,213,578.30
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Solution
The fourth proportional to 2,414,678.70, 3,622,455.45 and 1,213,578.30 is: 1,820,587.28
Step by Step Solution
- Step 1: Write the proportion equation
2,414,678.70 : 3,622,455.45 = 1,213,578.30 : x - Step 2: Convert to fraction form
2,414,678.70/3,622,455.45 = 1,213,578.30/x - Step 3: Cross multiply
2,414,678.70x = 3,622,455.45 × 1,213,578.30 - Step 4: Simplify right side
2,414,678.70x = 4,396,133,326,836.74 - Step 5: Solve for x
x = 4,396,133,326,836.74/2,414,678.70 - Step 6: Final answer
x = 1,820,587.28
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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.