Finding the Fourth Proportional to 2,651,476.09, 3,658,934.01 and 1,620,709.73
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Solution
The fourth proportional to 2,651,476.09, 3,658,934.01 and 1,620,709.73 is: 2,236,516.47
Step by Step Solution
- Step 1: Write the proportion equation
2,651,476.09 : 3,658,934.01 = 1,620,709.73 : x - Step 2: Convert to fraction form
2,651,476.09/3,658,934.01 = 1,620,709.73/x - Step 3: Cross multiply
2,651,476.09x = 3,658,934.01 × 1,620,709.73 - Step 4: Simplify right side
2,651,476.09x = 5,930,069,951,434.92 - Step 5: Solve for x
x = 5,930,069,951,434.92/2,651,476.09 - Step 6: Final answer
x = 2,236,516.47
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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.