Finding the Fourth Proportional to 4,332,998.19, 5,979,464.09 and 2,399,217.15
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Solution
The fourth proportional to 4,332,998.19, 5,979,464.09 and 2,399,217.15 is: 3,310,879.02
Step by Step Solution
- Step 1: Write the proportion equation
4,332,998.19 : 5,979,464.09 = 2,399,217.15 : x - Step 2: Convert to fraction form
4,332,998.19/5,979,464.09 = 2,399,217.15/x - Step 3: Cross multiply
4,332,998.19x = 5,979,464.09 × 2,399,217.15 - Step 4: Simplify right side
4,332,998.19x = 14,346,032,780,541.06 - Step 5: Solve for x
x = 14,346,032,780,541.06/4,332,998.19 - Step 6: Final answer
x = 3,310,879.02
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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.