Finding the Fourth Proportional to 3,174,567.10, 4,380,934.74 and 1,724,290.85
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Solution
The fourth proportional to 3,174,567.10, 4,380,934.74 and 1,724,290.85 is: 2,379,538.83
Step by Step Solution
- Step 1: Write the proportion equation
3,174,567.10 : 4,380,934.74 = 1,724,290.85 : x - Step 2: Convert to fraction form
3,174,567.10/4,380,934.74 = 1,724,290.85/x - Step 3: Cross multiply
3,174,567.10x = 4,380,934.74 × 1,724,290.85 - Step 4: Simplify right side
3,174,567.10x = 7,554,005,686,629.13 - Step 5: Solve for x
x = 7,554,005,686,629.13/3,174,567.10 - Step 6: Final answer
x = 2,379,538.83
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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.