Finding the Fourth Proportional to 2,893,748.26, 3,992,558.16 and 2,279,998.30
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Solution
The fourth proportional to 2,893,748.26, 3,992,558.16 and 2,279,998.30 is: 3,145,755.95
Step by Step Solution
- Step 1: Write the proportion equation
2,893,748.26 : 3,992,558.16 = 2,279,998.30 : x - Step 2: Convert to fraction form
2,893,748.26/3,992,558.16 = 2,279,998.30/x - Step 3: Cross multiply
2,893,748.26x = 3,992,558.16 × 2,279,998.30 - Step 4: Simplify right side
2,893,748.26x = 9,103,025,817,451.13 - Step 5: Solve for x
x = 9,103,025,817,451.13/2,893,748.26 - Step 6: Final answer
x = 3,145,755.95
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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.