Finding the Fourth Proportional to 2,221,331.76, 3,332,122.26 and 623,770.28
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Solution
The fourth proportional to 2,221,331.76, 3,332,122.26 and 623,770.28 is: 935,690.41
Step by Step Solution
- Step 1: Write the proportion equation
2,221,331.76 : 3,332,122.26 = 623,770.28 : x - Step 2: Convert to fraction form
2,221,331.76/3,332,122.26 = 623,770.28/x - Step 3: Cross multiply
2,221,331.76x = 3,332,122.26 × 623,770.28 - Step 4: Simplify right side
2,221,331.76x = 2,078,478,835,114.43 - Step 5: Solve for x
x = 2,078,478,835,114.43/2,221,331.76 - Step 6: Final answer
x = 935,690.41
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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.