Finding the Fourth Proportional to 2,662,902.36, 3,994,353.36 and 2,213,945.28
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Solution
The fourth proportional to 2,662,902.36, 3,994,353.36 and 2,213,945.28 is: 3,320,917.77
Step by Step Solution
- Step 1: Write the proportion equation
2,662,902.36 : 3,994,353.36 = 2,213,945.28 : x - Step 2: Convert to fraction form
2,662,902.36/3,994,353.36 = 2,213,945.28/x - Step 3: Cross multiply
2,662,902.36x = 3,994,353.36 × 2,213,945.28 - Step 4: Simplify right side
2,662,902.36x = 8,843,279,768,024.14 - Step 5: Solve for x
x = 8,843,279,768,024.14/2,662,902.36 - Step 6: Final answer
x = 3,320,917.77
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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.