Finding the Fourth Proportional to 2,663,642.16, 3,994,221.14 and 1,383,905.62
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Solution
The fourth proportional to 2,663,642.16, 3,994,221.14 and 1,383,905.62 is: 2,075,213.09
Step by Step Solution
- Step 1: Write the proportion equation
2,663,642.16 : 3,994,221.14 = 1,383,905.62 : x - Step 2: Convert to fraction form
2,663,642.16/3,994,221.14 = 1,383,905.62/x - Step 3: Cross multiply
2,663,642.16x = 3,994,221.14 × 1,383,905.62 - Step 4: Simplify right side
2,663,642.16x = 5,527,625,083,168.81 - Step 5: Solve for x
x = 5,527,625,083,168.81/2,663,642.16 - Step 6: Final answer
x = 2,075,213.09
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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.