Finding the Fourth Proportional to 2,685,135.88, 4,027,714.68 and 1,087,729.18
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Solution
The fourth proportional to 2,685,135.88, 4,027,714.68 and 1,087,729.18 is: 1,631,598.17
Step by Step Solution
- Step 1: Write the proportion equation
2,685,135.88 : 4,027,714.68 = 1,087,729.18 : x - Step 2: Convert to fraction form
2,685,135.88/4,027,714.68 = 1,087,729.18/x - Step 3: Cross multiply
2,685,135.88x = 4,027,714.68 × 1,087,729.18 - Step 4: Simplify right side
2,685,135.88x = 4,381,062,786,150.36 - Step 5: Solve for x
x = 4,381,062,786,150.36/2,685,135.88 - Step 6: Final answer
x = 1,631,598.17
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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.