Finding the Fourth Proportional to 3,100,476.36, 4,650,819.12 and 2,381,910.21
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Solution
The fourth proportional to 3,100,476.36, 4,650,819.12 and 2,381,910.21 is: 3,572,945.66
Step by Step Solution
- Step 1: Write the proportion equation
3,100,476.36 : 4,650,819.12 = 2,381,910.21 : x - Step 2: Convert to fraction form
3,100,476.36/4,650,819.12 = 2,381,910.21/x - Step 3: Cross multiply
3,100,476.36x = 4,650,819.12 × 2,381,910.21 - Step 4: Simplify right side
3,100,476.36x = 11,077,833,546,791.21 - Step 5: Solve for x
x = 11,077,833,546,791.21/3,100,476.36 - Step 6: Final answer
x = 3,572,945.66
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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.