Finding the Fourth Proportional to 2,984,686.20, 4,467,503.70 and 2,354,830.20
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Solution
The fourth proportional to 2,984,686.20, 4,467,503.70 and 2,354,830.20 is: 3,524,729.88
Step by Step Solution
- Step 1: Write the proportion equation
2,984,686.20 : 4,467,503.70 = 2,354,830.20 : x - Step 2: Convert to fraction form
2,984,686.20/4,467,503.70 = 2,354,830.20/x - Step 3: Cross multiply
2,984,686.20x = 4,467,503.70 × 2,354,830.20 - Step 4: Simplify right side
2,984,686.20x = 10,520,212,631,371.74 - Step 5: Solve for x
x = 10,520,212,631,371.74/2,984,686.20 - Step 6: Final answer
x = 3,524,729.88
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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.