Finding the Fourth Proportional to 7,685,932.66, 10,606,629.45 and 4,201,277.02
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Solution
The fourth proportional to 7,685,932.66, 10,606,629.45 and 4,201,277.02 is: 5,797,785.45
Step by Step Solution
- Step 1: Write the proportion equation
7,685,932.66 : 10,606,629.45 = 4,201,277.02 : x - Step 2: Convert to fraction form
7,685,932.66/10,606,629.45 = 4,201,277.02/x - Step 3: Cross multiply
7,685,932.66x = 10,606,629.45 × 4,201,277.02 - Step 4: Simplify right side
7,685,932.66x = 44,561,388,567,940.23 - Step 5: Solve for x
x = 44,561,388,567,940.23/7,685,932.66 - Step 6: Final answer
x = 5,797,785.45
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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.