Finding the Fourth Proportional to 2,180,147.70, 3,271,387.95 and 918,102.90
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Solution
The fourth proportional to 2,180,147.70, 3,271,387.95 and 918,102.90 is: 1,377,645.54
Step by Step Solution
- Step 1: Write the proportion equation
2,180,147.70 : 3,271,387.95 = 918,102.90 : x - Step 2: Convert to fraction form
2,180,147.70/3,271,387.95 = 918,102.90/x - Step 3: Cross multiply
2,180,147.70x = 3,271,387.95 × 918,102.90 - Step 4: Simplify right side
2,180,147.70x = 3,003,470,763,920.06 - Step 5: Solve for x
x = 3,003,470,763,920.06/2,180,147.70 - Step 6: Final answer
x = 1,377,645.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.