Finding the Fourth Proportional to 4,486,420.68, 6,191,229.04 and 2,449,230.18
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Solution
The fourth proportional to 4,486,420.68, 6,191,229.04 and 2,449,230.18 is: 3,379,920.45
Step by Step Solution
- Step 1: Write the proportion equation
4,486,420.68 : 6,191,229.04 = 2,449,230.18 : x - Step 2: Convert to fraction form
4,486,420.68/6,191,229.04 = 2,449,230.18/x - Step 3: Cross multiply
4,486,420.68x = 6,191,229.04 × 2,449,230.18 - Step 4: Simplify right side
4,486,420.68x = 15,163,745,016,060.43 - Step 5: Solve for x
x = 15,163,745,016,060.43/4,486,420.68 - Step 6: Final answer
x = 3,379,920.45
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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.