Finding the Fourth Proportional to 4,486,808.88, 6,191,764.32 and 2,449,618.40
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Solution
The fourth proportional to 4,486,808.88, 6,191,764.32 and 2,449,618.40 is: 3,380,455.96
Step by Step Solution
- Step 1: Write the proportion equation
4,486,808.88 : 6,191,764.32 = 2,449,618.40 : x - Step 2: Convert to fraction form
4,486,808.88/6,191,764.32 = 2,449,618.40/x - Step 3: Cross multiply
4,486,808.88x = 6,191,764.32 × 2,449,618.40 - Step 4: Simplify right side
4,486,808.88x = 15,167,459,806,735.49 - Step 5: Solve for x
x = 15,167,459,806,735.49/4,486,808.88 - Step 6: Final answer
x = 3,380,455.96
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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.