Finding the Fourth Proportional to 3,991,953.66, 5,507,157.87 and 2,443,284.29
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Solution
The fourth proportional to 3,991,953.66, 5,507,157.87 and 2,443,284.29 is: 3,370,668.46
Step by Step Solution
- Step 1: Write the proportion equation
3,991,953.66 : 5,507,157.87 = 2,443,284.29 : x - Step 2: Convert to fraction form
3,991,953.66/5,507,157.87 = 2,443,284.29/x - Step 3: Cross multiply
3,991,953.66x = 5,507,157.87 × 2,443,284.29 - Step 4: Simplify right side
3,991,953.66x = 13,455,552,278,785.07 - Step 5: Solve for x
x = 13,455,552,278,785.07/3,991,953.66 - Step 6: Final answer
x = 3,370,668.46
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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.