Finding the Fourth Proportional to 3,219,389.59, 4,438,318.27 and 2,568,226.06
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Solution
The fourth proportional to 3,219,389.59, 4,438,318.27 and 2,568,226.06 is: 3,540,610.52
Step by Step Solution
- Step 1: Write the proportion equation
3,219,389.59 : 4,438,318.27 = 2,568,226.06 : x - Step 2: Convert to fraction form
3,219,389.59/4,438,318.27 = 2,568,226.06/x - Step 3: Cross multiply
3,219,389.59x = 4,438,318.27 × 2,568,226.06 - Step 4: Simplify right side
3,219,389.59x = 11,398,604,643,588.12 - Step 5: Solve for x
x = 11,398,604,643,588.12/3,219,389.59 - Step 6: Final answer
x = 3,540,610.52
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1.5x scale
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.