Finding the Fourth Proportional to 2,027,578.20, 2,797,765.02 and 1,122,158.04
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Solution
The fourth proportional to 2,027,578.20, 2,797,765.02 and 1,122,158.04 is: 1,548,415.99
Step by Step Solution
- Step 1: Write the proportion equation
2,027,578.20 : 2,797,765.02 = 1,122,158.04 : x - Step 2: Convert to fraction form
2,027,578.20/2,797,765.02 = 1,122,158.04/x - Step 3: Cross multiply
2,027,578.20x = 2,797,765.02 × 1,122,158.04 - Step 4: Simplify right side
2,027,578.20x = 3,139,534,511,223.76 - Step 5: Solve for x
x = 3,139,534,511,223.76/2,027,578.20 - Step 6: Final answer
x = 1,548,415.99
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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.