Finding the Fourth Proportional to 2,768,786.64, 3,820,918.17 and 1,545,079.14
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Solution
The fourth proportional to 2,768,786.64, 3,820,918.17 and 1,545,079.14 is: 2,132,205.09
Step by Step Solution
- Step 1: Write the proportion equation
2,768,786.64 : 3,820,918.17 = 1,545,079.14 : x - Step 2: Convert to fraction form
2,768,786.64/3,820,918.17 = 1,545,079.14/x - Step 3: Cross multiply
2,768,786.64x = 3,820,918.17 × 1,545,079.14 - Step 4: Simplify right side
2,768,786.64x = 5,903,620,960,113.97 - Step 5: Solve for x
x = 5,903,620,960,113.97/2,768,786.64 - Step 6: Final answer
x = 2,132,205.09
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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.