Finding the Fourth Proportional to 4,121,985.39, 5,688,431.00 and 2,286,383.88
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Solution
The fourth proportional to 4,121,985.39, 5,688,431.00 and 2,286,383.88 is: 3,155,260.31
Step by Step Solution
- Step 1: Write the proportion equation
4,121,985.39 : 5,688,431.00 = 2,286,383.88 : x - Step 2: Convert to fraction form
4,121,985.39/5,688,431.00 = 2,286,383.88/x - Step 3: Cross multiply
4,121,985.39x = 5,688,431.00 × 2,286,383.88 - Step 4: Simplify right side
4,121,985.39x = 13,005,936,901,018.21 - Step 5: Solve for x
x = 13,005,936,901,018.21/4,121,985.39 - Step 6: Final answer
x = 3,155,260.31
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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.