Finding the Fourth Proportional to 5,275,621.31, 7,909,297.79 and 2,083,137.12
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Solution
The fourth proportional to 5,275,621.31, 7,909,297.79 and 2,083,137.12 is: 3,123,073.26
Step by Step Solution
- Step 1: Write the proportion equation
5,275,621.31 : 7,909,297.79 = 2,083,137.12 : x - Step 2: Convert to fraction form
5,275,621.31/7,909,297.79 = 2,083,137.12/x - Step 3: Cross multiply
5,275,621.31x = 7,909,297.79 × 2,083,137.12 - Step 4: Simplify right side
5,275,621.31x = 16,476,151,809,067.28 - Step 5: Solve for x
x = 16,476,151,809,067.28/5,275,621.31 - Step 6: Final answer
x = 3,123,073.26
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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.