Finding the Fourth Proportional to 2,936,656.42, 4,052,231.85 and 1,629,902.05
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Solution
The fourth proportional to 2,936,656.42, 4,052,231.85 and 1,629,902.05 is: 2,249,068.35
Step by Step Solution
- Step 1: Write the proportion equation
2,936,656.42 : 4,052,231.85 = 1,629,902.05 : x - Step 2: Convert to fraction form
2,936,656.42/4,052,231.85 = 1,629,902.05/x - Step 3: Cross multiply
2,936,656.42x = 4,052,231.85 × 1,629,902.05 - Step 4: Simplify right side
2,936,656.42x = 6,604,740,995,371.85 - Step 5: Solve for x
x = 6,604,740,995,371.85/2,936,656.42 - Step 6: Final answer
x = 2,249,068.35
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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.