Finding the Fourth Proportional to 3,219,389.60, 4,438,318.26 and 2,568,226.06
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Solution
The fourth proportional to 3,219,389.60, 4,438,318.26 and 2,568,226.06 is: 3,540,610.50
Step by Step Solution
- Step 1: Write the proportion equation
3,219,389.60 : 4,438,318.26 = 2,568,226.06 : x - Step 2: Convert to fraction form
3,219,389.60/4,438,318.26 = 2,568,226.06/x - Step 3: Cross multiply
3,219,389.60x = 4,438,318.26 × 2,568,226.06 - Step 4: Simplify right side
3,219,389.60x = 11,398,604,617,905.86 - Step 5: Solve for x
x = 11,398,604,617,905.86/3,219,389.60 - Step 6: Final answer
x = 3,540,610.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.