Finding the Fourth Proportional to 3,256,986.93, 4,885,480.55 and 2,231,305.80
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Solution
The fourth proportional to 3,256,986.93, 4,885,480.55 and 2,231,305.80 is: 3,346,958.80
Step by Step Solution
- Step 1: Write the proportion equation
3,256,986.93 : 4,885,480.55 = 2,231,305.80 : x - Step 2: Convert to fraction form
3,256,986.93/4,885,480.55 = 2,231,305.80/x - Step 3: Cross multiply
3,256,986.93x = 4,885,480.55 × 2,231,305.80 - Step 4: Simplify right side
3,256,986.93x = 10,901,001,081,423.93 - Step 5: Solve for x
x = 10,901,001,081,423.93/3,256,986.93 - Step 6: Final answer
x = 3,346,958.80
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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.