Finding the Fourth Proportional to 4,811,572.64, 6,638,335.38 and 2,745,103.70
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Solution
The fourth proportional to 4,811,572.64, 6,638,335.38 and 2,745,103.70 is: 3,787,310.38
Step by Step Solution
- Step 1: Write the proportion equation
4,811,572.64 : 6,638,335.38 = 2,745,103.70 : x - Step 2: Convert to fraction form
4,811,572.64/6,638,335.38 = 2,745,103.70/x - Step 3: Cross multiply
4,811,572.64x = 6,638,335.38 × 2,745,103.70 - Step 4: Simplify right side
4,811,572.64x = 18,222,919,013,478.91 - Step 5: Solve for x
x = 18,222,919,013,478.91/4,811,572.64 - Step 6: Final answer
x = 3,787,310.38
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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.