Finding the Fourth Proportional to 4,900,472.73, 6,769,567.77 and 3,926,879.28
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Solution
The fourth proportional to 4,900,472.73, 6,769,567.77 and 3,926,879.28 is: 5,424,634.90
Step by Step Solution
- Step 1: Write the proportion equation
4,900,472.73 : 6,769,567.77 = 3,926,879.28 : x - Step 2: Convert to fraction form
4,900,472.73/6,769,567.77 = 3,926,879.28/x - Step 3: Cross multiply
4,900,472.73x = 6,769,567.77 × 3,926,879.28 - Step 4: Simplify right side
4,900,472.73x = 26,583,275,395,843.01 - Step 5: Solve for x
x = 26,583,275,395,843.01/4,900,472.73 - Step 6: Final answer
x = 5,424,634.90
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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.