Finding the Fourth Proportional to 4,211,452.80, 6,311,995.20 and 2,863,612.80
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Solution
The fourth proportional to 4,211,452.80, 6,311,995.20 and 2,863,612.80 is: 4,291,894.30
Step by Step Solution
- Step 1: Write the proportion equation
4,211,452.80 : 6,311,995.20 = 2,863,612.80 : x - Step 2: Convert to fraction form
4,211,452.80/6,311,995.20 = 2,863,612.80/x - Step 3: Cross multiply
4,211,452.80x = 6,311,995.20 × 2,863,612.80 - Step 4: Simplify right side
4,211,452.80x = 18,075,110,248,258.56 - Step 5: Solve for x
x = 18,075,110,248,258.56/4,211,452.80 - Step 6: Final answer
x = 4,291,894.30
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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.