Finding the Fourth Proportional to 3,618,464.64, 4,994,125.92 and 2,705,277.12
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Solution
The fourth proportional to 3,618,464.64, 4,994,125.92 and 2,705,277.12 is: 3,733,764.44
Step by Step Solution
- Step 1: Write the proportion equation
3,618,464.64 : 4,994,125.92 = 2,705,277.12 : x - Step 2: Convert to fraction form
3,618,464.64/4,994,125.92 = 2,705,277.12/x - Step 3: Cross multiply
3,618,464.64x = 4,994,125.92 × 2,705,277.12 - Step 4: Simplify right side
3,618,464.64x = 13,510,494,585,774.95 - Step 5: Solve for x
x = 13,510,494,585,774.95/3,618,464.64 - Step 6: Final answer
x = 3,733,764.44
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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.