Finding the Fourth Proportional to 2,292,351.20, 3,438,555.60 and 694,930.40
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Solution
The fourth proportional to 2,292,351.20, 3,438,555.60 and 694,930.40 is: 1,042,404.33
Step by Step Solution
- Step 1: Write the proportion equation
2,292,351.20 : 3,438,555.60 = 694,930.40 : x - Step 2: Convert to fraction form
2,292,351.20/3,438,555.60 = 694,930.40/x - Step 3: Cross multiply
2,292,351.20x = 3,438,555.60 × 694,930.40 - Step 4: Simplify right side
2,292,351.20x = 2,389,556,818,530.24 - Step 5: Solve for x
x = 2,389,556,818,530.24/2,292,351.20 - Step 6: Final answer
x = 1,042,404.33
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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.