Finding the Fourth Proportional to 3,707,299.20, 5,556,801.60 and 1,577,020.80
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Solution
The fourth proportional to 3,707,299.20, 5,556,801.60 and 1,577,020.80 is: 2,363,767.05
Step by Step Solution
- Step 1: Write the proportion equation
3,707,299.20 : 5,556,801.60 = 1,577,020.80 : x - Step 2: Convert to fraction form
3,707,299.20/5,556,801.60 = 1,577,020.80/x - Step 3: Cross multiply
3,707,299.20x = 5,556,801.60 × 1,577,020.80 - Step 4: Simplify right side
3,707,299.20x = 8,763,191,704,673.28 - Step 5: Solve for x
x = 8,763,191,704,673.28/3,707,299.20 - Step 6: Final answer
x = 2,363,767.05
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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.