Finding the Fourth Proportional to 2,114,200.35, 2,917,617.87 and 1,147,338.99
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Solution
The fourth proportional to 2,114,200.35, 2,917,617.87 and 1,147,338.99 is: 1,583,339.41
Step by Step Solution
- Step 1: Write the proportion equation
2,114,200.35 : 2,917,617.87 = 1,147,338.99 : x - Step 2: Convert to fraction form
2,114,200.35/2,917,617.87 = 1,147,338.99/x - Step 3: Cross multiply
2,114,200.35x = 2,917,617.87 × 1,147,338.99 - Step 4: Simplify right side
2,114,200.35x = 3,347,496,740,171.75 - Step 5: Solve for x
x = 3,347,496,740,171.75/2,114,200.35 - Step 6: Final answer
x = 1,583,339.41
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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.