Finding the Fourth Proportional to 1,855,794, 2,783,691 and 454,962
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Solution
The fourth proportional to 1,855,794, 2,783,691 and 454,962 is: 682,443
Step by Step Solution
- Step 1: Write the proportion equation
1,855,794 : 2,783,691 = 454,962 : x - Step 2: Convert to fraction form
1,855,794/2,783,691 = 454,962/x - Step 3: Cross multiply
1,855,794x = 2,783,691 × 454,962 - Step 4: Simplify right side
1,855,794x = 1,266,473,624,742 - Step 5: Solve for x
x = 1,266,473,624,742/1,855,794 - Step 6: Final answer
x = 682,443
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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.