Finding the Fourth Proportional to 4,317,991.81, 6,479,229.32 and 1,761,082.63
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Solution
The fourth proportional to 4,317,991.81, 6,479,229.32 and 1,761,082.63 is: 2,642,538.18
Step by Step Solution
- Step 1: Write the proportion equation
4,317,991.81 : 6,479,229.32 = 1,761,082.63 : x - Step 2: Convert to fraction form
4,317,991.81/6,479,229.32 = 1,761,082.63/x - Step 3: Cross multiply
4,317,991.81x = 6,479,229.32 × 1,761,082.63 - Step 4: Simplify right side
4,317,991.81x = 11,410,458,214,893.93 - Step 5: Solve for x
x = 11,410,458,214,893.93/4,317,991.81 - Step 6: Final answer
x = 2,642,538.18
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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.