Finding the Fourth Proportional to 1,589,778.72, 2,193,247.44 and 901,305.36
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Solution
The fourth proportional to 1,589,778.72, 2,193,247.44 and 901,305.36 is: 1,243,434.48
Step by Step Solution
- Step 1: Write the proportion equation
1,589,778.72 : 2,193,247.44 = 901,305.36 : x - Step 2: Convert to fraction form
1,589,778.72/2,193,247.44 = 901,305.36/x - Step 3: Cross multiply
1,589,778.72x = 2,193,247.44 × 901,305.36 - Step 4: Simplify right side
1,589,778.72x = 1,976,785,673,478.28 - Step 5: Solve for x
x = 1,976,785,673,478.28/1,589,778.72 - Step 6: Final answer
x = 1,243,434.48
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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.