Finding the Fourth Proportional to 4,811,949.19, 6,638,855.09 and 2,745,480.23
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Solution
The fourth proportional to 4,811,949.19, 6,638,855.09 and 2,745,480.23 is: 3,787,829.98
Step by Step Solution
- Step 1: Write the proportion equation
4,811,949.19 : 6,638,855.09 = 2,745,480.23 : x - Step 2: Convert to fraction form
4,811,949.19/6,638,855.09 = 2,745,480.23/x - Step 3: Cross multiply
4,811,949.19x = 6,638,855.09 × 2,745,480.23 - Step 4: Simplify right side
4,811,949.19x = 18,226,845,373,099.30 - Step 5: Solve for x
x = 18,226,845,373,099.30/4,811,949.19 - Step 6: Final answer
x = 3,787,829.98
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1.5x scale
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.