Finding the Fourth Proportional to 3,174,727.14, 4,381,203.42 and 1,724,422.14
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Solution
The fourth proportional to 3,174,727.14, 4,381,203.42 and 1,724,422.14 is: 2,379,745.99
Step by Step Solution
- Step 1: Write the proportion equation
3,174,727.14 : 4,381,203.42 = 1,724,422.14 : x - Step 2: Convert to fraction form
3,174,727.14/4,381,203.42 = 1,724,422.14/x - Step 3: Cross multiply
3,174,727.14x = 4,381,203.42 × 1,724,422.14 - Step 4: Simplify right side
3,174,727.14x = 7,555,044,177,291.72 - Step 5: Solve for x
x = 7,555,044,177,291.72/3,174,727.14 - Step 6: Final answer
x = 2,379,745.99
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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.