Finding the Fourth Proportional to 4,677,581.75, 6,455,062.86 and 2,531,405.75
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Solution
The fourth proportional to 4,677,581.75, 6,455,062.86 and 2,531,405.75 is: 3,493,339.96
Step by Step Solution
- Step 1: Write the proportion equation
4,677,581.75 : 6,455,062.86 = 2,531,405.75 : x - Step 2: Convert to fraction form
4,677,581.75/6,455,062.86 = 2,531,405.75/x - Step 3: Cross multiply
4,677,581.75x = 6,455,062.86 × 2,531,405.75 - Step 4: Simplify right side
4,677,581.75x = 16,340,383,240,415.45 - Step 5: Solve for x
x = 16,340,383,240,415.45/4,677,581.75 - Step 6: Final answer
x = 3,493,339.96
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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.