Finding the Fourth Proportional to 5,739,170.99, 7,920,414.15 and 3,160,851.08
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Solution
The fourth proportional to 5,739,170.99, 7,920,414.15 and 3,160,851.08 is: 4,362,171.76
Step by Step Solution
- Step 1: Write the proportion equation
5,739,170.99 : 7,920,414.15 = 3,160,851.08 : x - Step 2: Convert to fraction form
5,739,170.99/7,920,414.15 = 3,160,851.08/x - Step 3: Cross multiply
5,739,170.99x = 7,920,414.15 × 3,160,851.08 - Step 4: Simplify right side
5,739,170.99x = 25,035,249,620,074.79 - Step 5: Solve for x
x = 25,035,249,620,074.79/5,739,170.99 - Step 6: Final answer
x = 4,362,171.76
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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.