Finding the Fourth Proportional to 4,644,308.23, 6,955,855.90 and 2,217,168.75
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Solution
The fourth proportional to 4,644,308.23, 6,955,855.90 and 2,217,168.75 is: 3,320,689.66
Step by Step Solution
- Step 1: Write the proportion equation
4,644,308.23 : 6,955,855.90 = 2,217,168.75 : x - Step 2: Convert to fraction form
4,644,308.23/6,955,855.90 = 2,217,168.75/x - Step 3: Cross multiply
4,644,308.23x = 6,955,855.90 × 2,217,168.75 - Step 4: Simplify right side
4,644,308.23x = 15,422,306,330,983.12 - Step 5: Solve for x
x = 15,422,306,330,983.12/4,644,308.23 - Step 6: Final answer
x = 3,320,689.66
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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.