Finding the Fourth Proportional to 5,703,859.68, 8,555,697.72 and 1,385,944.08
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Solution
The fourth proportional to 5,703,859.68, 8,555,697.72 and 1,385,944.08 is: 2,078,893.81
Step by Step Solution
- Step 1: Write the proportion equation
5,703,859.68 : 8,555,697.72 = 1,385,944.08 : x - Step 2: Convert to fraction form
5,703,859.68/8,555,697.72 = 1,385,944.08/x - Step 3: Cross multiply
5,703,859.68x = 8,555,697.72 × 1,385,944.08 - Step 4: Simplify right side
5,703,859.68x = 11,857,718,605,303.50 - Step 5: Solve for x
x = 11,857,718,605,303.50/5,703,859.68 - Step 6: Final answer
x = 2,078,893.81
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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.