Finding the Fourth Proportional to 3,174,622.08, 4,381,010.64 and 1,724,345.88
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Solution
The fourth proportional to 3,174,622.08, 4,381,010.64 and 1,724,345.88 is: 2,379,614.79
Step by Step Solution
- Step 1: Write the proportion equation
3,174,622.08 : 4,381,010.64 = 1,724,345.88 : x - Step 2: Convert to fraction form
3,174,622.08/4,381,010.64 = 1,724,345.88/x - Step 3: Cross multiply
3,174,622.08x = 4,381,010.64 × 1,724,345.88 - Step 4: Simplify right side
3,174,622.08x = 7,554,377,647,320.16 - Step 5: Solve for x
x = 7,554,377,647,320.16/3,174,622.08 - Step 6: Final answer
x = 2,379,614.79
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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.