Finding the Fourth Proportional to 5,195,404.80, 7,169,739.84 and 2,903,713.92
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Solution
The fourth proportional to 5,195,404.80, 7,169,739.84 and 2,903,713.92 is: 4,007,170.60
Step by Step Solution
- Step 1: Write the proportion equation
5,195,404.80 : 7,169,739.84 = 2,903,713.92 : x - Step 2: Convert to fraction form
5,195,404.80/7,169,739.84 = 2,903,713.92/x - Step 3: Cross multiply
5,195,404.80x = 7,169,739.84 × 2,903,713.92 - Step 4: Simplify right side
5,195,404.80x = 20,818,873,376,186.57 - Step 5: Solve for x
x = 20,818,873,376,186.57/5,195,404.80 - Step 6: Final answer
x = 4,007,170.60
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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.