Finding the Fourth Proportional to 5,458,799.28, 8,180,111.97 and 2,216,394.09
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Solution
The fourth proportional to 5,458,799.28, 8,180,111.97 and 2,216,394.09 is: 3,321,307.65
Step by Step Solution
- Step 1: Write the proportion equation
5,458,799.28 : 8,180,111.97 = 2,216,394.09 : x - Step 2: Convert to fraction form
5,458,799.28/8,180,111.97 = 2,216,394.09/x - Step 3: Cross multiply
5,458,799.28x = 8,180,111.97 × 2,216,394.09 - Step 4: Simplify right side
5,458,799.28x = 18,130,351,825,846.25 - Step 5: Solve for x
x = 18,130,351,825,846.25/5,458,799.28 - Step 6: Final answer
x = 3,321,307.65
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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.