Finding the Fourth Proportional to 4,199,367.81, 5,795,128.97 and 2,457,372.09
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Solution
The fourth proportional to 4,199,367.81, 5,795,128.97 and 2,457,372.09 is: 3,391,174.30
Step by Step Solution
- Step 1: Write the proportion equation
4,199,367.81 : 5,795,128.97 = 2,457,372.09 : x - Step 2: Convert to fraction form
4,199,367.81/5,795,128.97 = 2,457,372.09/x - Step 3: Cross multiply
4,199,367.81x = 5,795,128.97 × 2,457,372.09 - Step 4: Simplify right side
4,199,367.81x = 14,240,788,176,541.59 - Step 5: Solve for x
x = 14,240,788,176,541.59/4,199,367.81 - Step 6: Final answer
x = 3,391,174.30
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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.