Finding the Fourth Proportional to 2,804,157.40, 3,865,203.88 and 2,191,245.18
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Solution
The fourth proportional to 2,804,157.40, 3,865,203.88 and 2,191,245.18 is: 3,020,375.88
Step by Step Solution
- Step 1: Write the proportion equation
2,804,157.40 : 3,865,203.88 = 2,191,245.18 : x - Step 2: Convert to fraction form
2,804,157.40/3,865,203.88 = 2,191,245.18/x - Step 3: Cross multiply
2,804,157.40x = 3,865,203.88 × 2,191,245.18 - Step 4: Simplify right side
2,804,157.40x = 8,469,609,371,767.30 - Step 5: Solve for x
x = 8,469,609,371,767.30/2,804,157.40 - Step 6: Final answer
x = 3,020,375.88
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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.