Finding the Fourth Proportional to 2,620,857.78, 3,616,185.36 and 1,474,519.86
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Solution
The fourth proportional to 2,620,857.78, 3,616,185.36 and 1,474,519.86 is: 2,034,500.75
Step by Step Solution
- Step 1: Write the proportion equation
2,620,857.78 : 3,616,185.36 = 1,474,519.86 : x - Step 2: Convert to fraction form
2,620,857.78/3,616,185.36 = 1,474,519.86/x - Step 3: Cross multiply
2,620,857.78x = 3,616,185.36 × 1,474,519.86 - Step 4: Simplify right side
2,620,857.78x = 5,332,137,130,761.25 - Step 5: Solve for x
x = 5,332,137,130,761.25/2,620,857.78 - Step 6: Final answer
x = 2,034,500.75
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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.