Finding the Fourth Proportional to 4,260,213.48, 6,391,218.08 and 1,381,355.92
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Solution
The fourth proportional to 4,260,213.48, 6,391,218.08 and 1,381,355.92 is: 2,072,325.01
Step by Step Solution
- Step 1: Write the proportion equation
4,260,213.48 : 6,391,218.08 = 1,381,355.92 : x - Step 2: Convert to fraction form
4,260,213.48/6,391,218.08 = 1,381,355.92/x - Step 3: Cross multiply
4,260,213.48x = 6,391,218.08 × 1,381,355.92 - Step 4: Simplify right side
4,260,213.48x = 8,828,546,930,819.03 - Step 5: Solve for x
x = 8,828,546,930,819.03/4,260,213.48 - Step 6: Final answer
x = 2,072,325.01
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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.