Finding the Fourth Proportional to 4,551,451.20, 6,827,176.80 and 2,311,963.20
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Solution
The fourth proportional to 4,551,451.20, 6,827,176.80 and 2,311,963.20 is: 3,467,944.80
Step by Step Solution
- Step 1: Write the proportion equation
4,551,451.20 : 6,827,176.80 = 2,311,963.20 : x - Step 2: Convert to fraction form
4,551,451.20/6,827,176.80 = 2,311,963.20/x - Step 3: Cross multiply
4,551,451.20x = 6,827,176.80 × 2,311,963.20 - Step 4: Simplify right side
4,551,451.20x = 15,784,181,521,493.76 - Step 5: Solve for x
x = 15,784,181,521,493.76/4,551,451.20 - Step 6: Final answer
x = 3,467,944.80
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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.