Finding the Fourth Proportional to 2,271,821.53, 3,135,122.66 and 1,239,351.38
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Solution
The fourth proportional to 2,271,821.53, 3,135,122.66 and 1,239,351.38 is: 1,710,309.79
Step by Step Solution
- Step 1: Write the proportion equation
2,271,821.53 : 3,135,122.66 = 1,239,351.38 : x - Step 2: Convert to fraction form
2,271,821.53/3,135,122.66 = 1,239,351.38/x - Step 3: Cross multiply
2,271,821.53x = 3,135,122.66 × 1,239,351.38 - Step 4: Simplify right side
2,271,821.53x = 3,885,518,595,140.27 - Step 5: Solve for x
x = 3,885,518,595,140.27/2,271,821.53 - Step 6: Final answer
x = 1,710,309.79
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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.