Finding the Fourth Proportional to 4,787,861.80, 6,606,342.84 and 2,854,302.16
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Solution
The fourth proportional to 4,787,861.80, 6,606,342.84 and 2,854,302.16 is: 3,938,396.60
Step by Step Solution
- Step 1: Write the proportion equation
4,787,861.80 : 6,606,342.84 = 2,854,302.16 : x - Step 2: Convert to fraction form
4,787,861.80/6,606,342.84 = 2,854,302.16/x - Step 3: Cross multiply
4,787,861.80x = 6,606,342.84 × 2,854,302.16 - Step 4: Simplify right side
4,787,861.80x = 18,856,498,637,912.54 - Step 5: Solve for x
x = 18,856,498,637,912.54/4,787,861.80 - Step 6: Final answer
x = 3,938,396.60
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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.