Finding the Fourth Proportional to 4,152,612.80, 6,228,919.20 and 2,934,891.20
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Solution
The fourth proportional to 4,152,612.80, 6,228,919.20 and 2,934,891.20 is: 4,402,336.80
Step by Step Solution
- Step 1: Write the proportion equation
4,152,612.80 : 6,228,919.20 = 2,934,891.20 : x - Step 2: Convert to fraction form
4,152,612.80/6,228,919.20 = 2,934,891.20/x - Step 3: Cross multiply
4,152,612.80x = 6,228,919.20 × 2,934,891.20 - Step 4: Simplify right side
4,152,612.80x = 18,281,200,145,591.04 - Step 5: Solve for x
x = 18,281,200,145,591.04/4,152,612.80 - Step 6: Final answer
x = 4,402,336.80
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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.