Finding the Fourth Proportional to 3,782,488.80, 5,674,251.60 and 1,257,880.80
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Solution
The fourth proportional to 3,782,488.80, 5,674,251.60 and 1,257,880.80 is: 1,886,993.60
Step by Step Solution
- Step 1: Write the proportion equation
3,782,488.80 : 5,674,251.60 = 1,257,880.80 : x - Step 2: Convert to fraction form
3,782,488.80/5,674,251.60 = 1,257,880.80/x - Step 3: Cross multiply
3,782,488.80x = 5,674,251.60 × 1,257,880.80 - Step 4: Simplify right side
3,782,488.80x = 7,137,532,142,009.28 - Step 5: Solve for x
x = 7,137,532,142,009.28/3,782,488.80 - Step 6: Final answer
x = 1,886,993.60
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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.