Finding the Fourth Proportional to 5,107,647.73, 7,644,739.36 and 2,798,619.66
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Solution
The fourth proportional to 5,107,647.73, 7,644,739.36 and 2,798,619.66 is: 4,188,761.44
Step by Step Solution
- Step 1: Write the proportion equation
5,107,647.73 : 7,644,739.36 = 2,798,619.66 : x - Step 2: Convert to fraction form
5,107,647.73/7,644,739.36 = 2,798,619.66/x - Step 3: Cross multiply
5,107,647.73x = 7,644,739.36 × 2,798,619.66 - Step 4: Simplify right side
5,107,647.73x = 21,394,717,830,248.12 - Step 5: Solve for x
x = 21,394,717,830,248.12/5,107,647.73 - Step 6: Final answer
x = 4,188,761.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.