Finding the Fourth Proportional to 3,237,013.47, 4,467,078.99 and 1,786,709.28
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Solution
The fourth proportional to 3,237,013.47, 4,467,078.99 and 1,786,709.28 is: 2,465,659.03
Step by Step Solution
- Step 1: Write the proportion equation
3,237,013.47 : 4,467,078.99 = 1,786,709.28 : x - Step 2: Convert to fraction form
3,237,013.47/4,467,078.99 = 1,786,709.28/x - Step 3: Cross multiply
3,237,013.47x = 4,467,078.99 × 1,786,709.28 - Step 4: Simplify right side
3,237,013.47x = 7,981,371,485,926.03 - Step 5: Solve for x
x = 7,981,371,485,926.03/3,237,013.47 - Step 6: Final answer
x = 2,465,659.03
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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.