Finding the Fourth Proportional to 2,278,788.96, 3,418,179.12 and 859,163.52
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Solution
The fourth proportional to 2,278,788.96, 3,418,179.12 and 859,163.52 is: 1,288,743.65
Step by Step Solution
- Step 1: Write the proportion equation
2,278,788.96 : 3,418,179.12 = 859,163.52 : x - Step 2: Convert to fraction form
2,278,788.96/3,418,179.12 = 859,163.52/x - Step 3: Cross multiply
2,278,788.96x = 3,418,179.12 × 859,163.52 - Step 4: Simplify right side
2,278,788.96x = 2,936,774,804,729.70 - Step 5: Solve for x
x = 2,936,774,804,729.70/2,278,788.96 - Step 6: Final answer
x = 1,288,743.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.