Finding the Fourth Proportional to 4,486,396.11, 6,191,195.06 and 2,449,205.61
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Solution
The fourth proportional to 4,486,396.11, 6,191,195.06 and 2,449,205.61 is: 3,379,886.50
Step by Step Solution
- Step 1: Write the proportion equation
4,486,396.11 : 6,191,195.06 = 2,449,205.61 : x - Step 2: Convert to fraction form
4,486,396.11/6,191,195.06 = 2,449,205.61/x - Step 3: Cross multiply
4,486,396.11x = 6,191,195.06 × 2,449,205.61 - Step 4: Simplify right side
4,486,396.11x = 15,163,509,648,723.33 - Step 5: Solve for x
x = 15,163,509,648,723.33/4,486,396.11 - Step 6: Final answer
x = 3,379,886.50
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1.5x scale
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.