Finding the Fourth Proportional to 1,588,481.69, 2,192,119.10 and 863,331.11
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Solution
The fourth proportional to 1,588,481.69, 2,192,119.10 and 863,331.11 is: 1,191,404.74
Step by Step Solution
- Step 1: Write the proportion equation
1,588,481.69 : 2,192,119.10 = 863,331.11 : x - Step 2: Convert to fraction form
1,588,481.69/2,192,119.10 = 863,331.11/x - Step 3: Cross multiply
1,588,481.69x = 2,192,119.10 × 863,331.11 - Step 4: Simplify right side
1,588,481.69x = 1,892,524,612,035.89 - Step 5: Solve for x
x = 1,892,524,612,035.89/1,588,481.69 - Step 6: Final answer
x = 1,191,404.74
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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.