Finding the Fourth Proportional to 2,226,201.13, 3,072,158.55 and 1,259,310.79
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Solution
The fourth proportional to 2,226,201.13, 3,072,158.55 and 1,259,310.79 is: 1,737,849.45
Step by Step Solution
- Step 1: Write the proportion equation
2,226,201.13 : 3,072,158.55 = 1,259,310.79 : x - Step 2: Convert to fraction form
2,226,201.13/3,072,158.55 = 1,259,310.79/x - Step 3: Cross multiply
2,226,201.13x = 3,072,158.55 × 1,259,310.79 - Step 4: Simplify right side
2,226,201.13x = 3,868,802,410,605.75 - Step 5: Solve for x
x = 3,868,802,410,605.75/2,226,201.13 - Step 6: Final answer
x = 1,737,849.45
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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.