Finding the Fourth Proportional to 3,702,720.12, 5,110,226.45 and 2,071,218.12
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Solution
The fourth proportional to 3,702,720.12, 5,110,226.45 and 2,071,218.12 is: 2,858,545.41
Step by Step Solution
- Step 1: Write the proportion equation
3,702,720.12 : 5,110,226.45 = 2,071,218.12 : x - Step 2: Convert to fraction form
3,702,720.12/5,110,226.45 = 2,071,218.12/x - Step 3: Cross multiply
3,702,720.12x = 5,110,226.45 × 2,071,218.12 - Step 4: Simplify right side
3,702,720.12x = 10,584,393,620,543.28 - Step 5: Solve for x
x = 10,584,393,620,543.28/3,702,720.12 - Step 6: Final answer
x = 2,858,545.41
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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.