Finding the Fourth Proportional to 2,928,906.36, 4,375,548.42 and 1,895,821.06
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Solution
The fourth proportional to 2,928,906.36, 4,375,548.42 and 1,895,821.06 is: 2,832,202.82
Step by Step Solution
- Step 1: Write the proportion equation
2,928,906.36 : 4,375,548.42 = 1,895,821.06 : x - Step 2: Convert to fraction form
2,928,906.36/4,375,548.42 = 1,895,821.06/x - Step 3: Cross multiply
2,928,906.36x = 4,375,548.42 × 1,895,821.06 - Step 4: Simplify right side
2,928,906.36x = 8,295,256,843,685.73 - Step 5: Solve for x
x = 8,295,256,843,685.73/2,928,906.36 - Step 6: Final answer
x = 2,832,202.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.