Finding the Fourth Proportional to 3,918,349, 5,879,791.08 and 1,643,669.68
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Solution
The fourth proportional to 3,918,349, 5,879,791.08 and 1,643,669.68 is: 2,466,455.72
Step by Step Solution
- Step 1: Write the proportion equation
3,918,349 : 5,879,791.08 = 1,643,669.68 : x - Step 2: Convert to fraction form
3,918,349/5,879,791.08 = 1,643,669.68/x - Step 3: Cross multiply
3,918,349x = 5,879,791.08 × 1,643,669.68 - Step 4: Simplify right side
3,918,349x = 9,664,434,322,930.46 - Step 5: Solve for x
x = 9,664,434,322,930.46/3,918,349 - Step 6: Final answer
x = 2,466,455.72
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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.