Finding the Fourth Proportional to 2,724,249.20, 3,759,463.88 and 1,578,993.84
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Solution
The fourth proportional to 2,724,249.20, 3,759,463.88 and 1,578,993.84 is: 2,179,011.49
Step by Step Solution
- Step 1: Write the proportion equation
2,724,249.20 : 3,759,463.88 = 1,578,993.84 : x - Step 2: Convert to fraction form
2,724,249.20/3,759,463.88 = 1,578,993.84/x - Step 3: Cross multiply
2,724,249.20x = 3,759,463.88 × 1,578,993.84 - Step 4: Simplify right side
2,724,249.20x = 5,936,170,300,327.53 - Step 5: Solve for x
x = 5,936,170,300,327.53/2,724,249.20 - Step 6: Final answer
x = 2,179,011.49
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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.