Finding the Fourth Proportional to 2,119,226.70, 3,178,840.05 and 856,404.30
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Solution
The fourth proportional to 2,119,226.70, 3,178,840.05 and 856,404.30 is: 1,284,606.45
Step by Step Solution
- Step 1: Write the proportion equation
2,119,226.70 : 3,178,840.05 = 856,404.30 : x - Step 2: Convert to fraction form
2,119,226.70/3,178,840.05 = 856,404.30/x - Step 3: Cross multiply
2,119,226.70x = 3,178,840.05 × 856,404.30 - Step 4: Simplify right side
2,119,226.70x = 2,722,372,287,832.22 - Step 5: Solve for x
x = 2,722,372,287,832.22/2,119,226.70 - Step 6: Final answer
x = 1,284,606.45
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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.