Finding the Fourth Proportional to 4,726,980.83, 6,526,250.42 and 3,857,891.66
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Solution
The fourth proportional to 4,726,980.83, 6,526,250.42 and 3,857,891.66 is: 5,326,352.69
Step by Step Solution
- Step 1: Write the proportion equation
4,726,980.83 : 6,526,250.42 = 3,857,891.66 : x - Step 2: Convert to fraction form
4,726,980.83/6,526,250.42 = 3,857,891.66/x - Step 3: Cross multiply
4,726,980.83x = 6,526,250.42 × 3,857,891.66 - Step 4: Simplify right side
4,726,980.83x = 25,177,567,014,468.79 - Step 5: Solve for x
x = 25,177,567,014,468.79/4,726,980.83 - Step 6: Final answer
x = 5,326,352.69
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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.