Finding the Fourth Proportional to 2,259,635.45, 3,118,286.91 and 1,227,135.14
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Solution
The fourth proportional to 2,259,635.45, 3,118,286.91 and 1,227,135.14 is: 1,693,441.05
Step by Step Solution
- Step 1: Write the proportion equation
2,259,635.45 : 3,118,286.91 = 1,227,135.14 : x - Step 2: Convert to fraction form
2,259,635.45/3,118,286.91 = 1,227,135.14/x - Step 3: Cross multiply
2,259,635.45x = 3,118,286.91 × 1,227,135.14 - Step 4: Simplify right side
2,259,635.45x = 3,826,559,428,271.58 - Step 5: Solve for x
x = 3,826,559,428,271.58/2,259,635.45 - Step 6: Final answer
x = 1,693,441.05
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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.