Finding the Fourth Proportional to 2,597,786.88, 3,895,029.36 and 2,278,579.68
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Solution
The fourth proportional to 2,597,786.88, 3,895,029.36 and 2,278,579.68 is: 3,416,421.42
Step by Step Solution
- Step 1: Write the proportion equation
2,597,786.88 : 3,895,029.36 = 2,278,579.68 : x - Step 2: Convert to fraction form
2,597,786.88/3,895,029.36 = 2,278,579.68/x - Step 3: Cross multiply
2,597,786.88x = 3,895,029.36 × 2,278,579.68 - Step 4: Simplify right side
2,597,786.88x = 8,875,134,752,699.40 - Step 5: Solve for x
x = 8,875,134,752,699.40/2,597,786.88 - Step 6: Final answer
x = 3,416,421.42
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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.