Finding the Fourth Proportional to 5,257,503.08, 7,886,884.36 and 1,613,755.75
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Solution
The fourth proportional to 5,257,503.08, 7,886,884.36 and 1,613,755.75 is: 2,420,826.91
Step by Step Solution
- Step 1: Write the proportion equation
5,257,503.08 : 7,886,884.36 = 1,613,755.75 : x - Step 2: Convert to fraction form
5,257,503.08/7,886,884.36 = 1,613,755.75/x - Step 3: Cross multiply
5,257,503.08x = 7,886,884.36 × 1,613,755.75 - Step 4: Simplify right side
5,257,503.08x = 12,727,504,961,698.68 - Step 5: Solve for x
x = 12,727,504,961,698.68/5,257,503.08 - Step 6: Final answer
x = 2,420,826.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.