Finding the Fourth Proportional to 4,115,786.16, 6,174,581.40 and 1,383,235.68
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Solution
The fourth proportional to 4,115,786.16, 6,174,581.40 and 1,383,235.68 is: 2,075,156.72
Step by Step Solution
- Step 1: Write the proportion equation
4,115,786.16 : 6,174,581.40 = 1,383,235.68 : x - Step 2: Convert to fraction form
4,115,786.16/6,174,581.40 = 1,383,235.68/x - Step 3: Cross multiply
4,115,786.16x = 6,174,581.40 × 1,383,235.68 - Step 4: Simplify right side
4,115,786.16x = 8,540,901,301,544.35 - Step 5: Solve for x
x = 8,540,901,301,544.35/4,115,786.16 - Step 6: Final answer
x = 2,075,156.72
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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.