Finding the Fourth Proportional to 5,360,611.62, 7,397,822.16 and 3,155,074.68
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Solution
The fourth proportional to 5,360,611.62, 7,397,822.16 and 3,155,074.68 is: 4,354,107.90
Step by Step Solution
- Step 1: Write the proportion equation
5,360,611.62 : 7,397,822.16 = 3,155,074.68 : x - Step 2: Convert to fraction form
5,360,611.62/7,397,822.16 = 3,155,074.68/x - Step 3: Cross multiply
5,360,611.62x = 7,397,822.16 × 3,155,074.68 - Step 4: Simplify right side
5,360,611.62x = 23,340,681,384,158.91 - Step 5: Solve for x
x = 23,340,681,384,158.91/5,360,611.62 - Step 6: Final answer
x = 4,354,107.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.