Finding the Fourth Proportional to 3,615,912.05, 5,423,868.09 and 2,817,791.03
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Solution
The fourth proportional to 3,615,912.05, 5,423,868.09 and 2,817,791.03 is: 4,226,686.56
Step by Step Solution
- Step 1: Write the proportion equation
3,615,912.05 : 5,423,868.09 = 2,817,791.03 : x - Step 2: Convert to fraction form
3,615,912.05/5,423,868.09 = 2,817,791.03/x - Step 3: Cross multiply
3,615,912.05x = 5,423,868.09 × 2,817,791.03 - Step 4: Simplify right side
3,615,912.05x = 15,283,326,824,785.89 - Step 5: Solve for x
x = 15,283,326,824,785.89/3,615,912.05 - Step 6: Final answer
x = 4,226,686.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.