Finding the Fourth Proportional to 2,521,621.80, 3,782,432.70 and 2,222,440.20
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Solution
The fourth proportional to 2,521,621.80, 3,782,432.70 and 2,222,440.20 is: 3,333,660.30
Step by Step Solution
- Step 1: Write the proportion equation
2,521,621.80 : 3,782,432.70 = 2,222,440.20 : x - Step 2: Convert to fraction form
2,521,621.80/3,782,432.70 = 2,222,440.20/x - Step 3: Cross multiply
2,521,621.80x = 3,782,432.70 × 2,222,440.20 - Step 4: Simplify right side
2,521,621.80x = 8,406,230,486,274.54 - Step 5: Solve for x
x = 8,406,230,486,274.54/2,521,621.80 - Step 6: Final answer
x = 3,333,660.30
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1.5x scale
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.