Finding the Fourth Proportional to 2,173,208.20, 3,257,187.90 and 1,107,701.80
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Solution
The fourth proportional to 2,173,208.20, 3,257,187.90 and 1,107,701.80 is: 1,660,215.02
Step by Step Solution
- Step 1: Write the proportion equation
2,173,208.20 : 3,257,187.90 = 1,107,701.80 : x - Step 2: Convert to fraction form
2,173,208.20/3,257,187.90 = 1,107,701.80/x - Step 3: Cross multiply
2,173,208.20x = 3,257,187.90 × 1,107,701.80 - Step 4: Simplify right side
2,173,208.20x = 3,607,992,899,768.22 - Step 5: Solve for x
x = 3,607,992,899,768.22/2,173,208.20 - Step 6: Final answer
x = 1,660,215.02
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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.