Finding the Fourth Proportional to 4,750,163.86, 6,555,926.54 and 3,007,992.31
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Solution
The fourth proportional to 4,750,163.86, 6,555,926.54 and 3,007,992.31 is: 4,151,472.91
Step by Step Solution
- Step 1: Write the proportion equation
4,750,163.86 : 6,555,926.54 = 3,007,992.31 : x - Step 2: Convert to fraction form
4,750,163.86/6,555,926.54 = 3,007,992.31/x - Step 3: Cross multiply
4,750,163.86x = 6,555,926.54 × 3,007,992.31 - Step 4: Simplify right side
4,750,163.86x = 19,720,176,585,815.13 - Step 5: Solve for x
x = 19,720,176,585,815.13/4,750,163.86 - Step 6: Final answer
x = 4,151,472.91
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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.