Finding the Fourth Proportional to 1,631,027.81, 2,250,846.20 and 896,012.99
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Solution
The fourth proportional to 1,631,027.81, 2,250,846.20 and 896,012.99 is: 1,236,513.21
Step by Step Solution
- Step 1: Write the proportion equation
1,631,027.81 : 2,250,846.20 = 896,012.99 : x - Step 2: Convert to fraction form
1,631,027.81/2,250,846.20 = 896,012.99/x - Step 3: Cross multiply
1,631,027.81x = 2,250,846.20 × 896,012.99 - Step 4: Simplify right side
1,631,027.81x = 2,016,787,433,692.14 - Step 5: Solve for x
x = 2,016,787,433,692.14/1,631,027.81 - Step 6: Final answer
x = 1,236,513.21
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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.